{"title":"Extension Springs","description":"\u003cp\u003eExtension springs manufactured are designed to resist tensile loads, available across a wide range of dimensions and spring rates. Materials include steel and stainless steel. All springs are listed with full technical specifications including free length, maximum extension length, spring rate and initial tension. Use the filters or ask Springy to find the right spring, or contact us for bespoke requirements.\u003c\/p\u003e","products":[{"product_id":"axs-es-10001","title":"Extension Spring | Do 2.5mm | d 0.5mm | L0 7.9mm | Spring Steel | AXS-ES-10001","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.5 mm, wire diameter (d) 0.5 mm, free length (L0) 7.9 mm. Test length (L1) 9.61 mm. Spring rate 7.98 N\/mm. Force at L1: 16.1 N. Initial tension (F0): 2.45 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754460131652,"sku":"AXS-ES-10001","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_e708ab78-6f59-48f1-855e-e54d5a61f08e.png?v=1779175980"},{"product_id":"axs-es-10002","title":"Extension Spring | Do 2.5mm | d 0.5mm | L0 10.9mm | Spring Steel | AXS-ES-10002","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.5 mm, wire diameter (d) 0.5 mm, free length (L0) 10.9 mm. Test length (L1) 13.64 mm. Spring rate 4.98 N\/mm. Force at L1: 16.1 N. Initial tension (F0): 2.45 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754460164420,"sku":"AXS-ES-10002","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_41bce871-f20f-4d1b-95fb-53434f06251e.png?v=1779175987"},{"product_id":"axs-es-10003","title":"Extension Spring | Do 2.5mm | d 0.5mm | L0 15.4mm | Spring Steel | AXS-ES-10003","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.5 mm, wire diameter (d) 0.5 mm, free length (L0) 15.4 mm. Test length (L1) 19.68 mm. Spring rate 3.19 N\/mm. Force at L1: 16.1 N. Initial tension (F0): 2.45 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754460262724,"sku":"AXS-ES-10003","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_6d8d6799-ef3e-41f5-a4b9-2c7345d19873.png?v=1779175993"},{"product_id":"axs-es-10004","title":"Extension Spring | Do 3.5mm | d 0.5mm | L0 9.5mm | Spring Steel | AXS-ES-10004","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.5 mm, free length (L0) 9.5 mm. Test length (L1) 13.82 mm. Spring rate 2.35 N\/mm. Force at L1: 12 N. Initial tension (F0): 1.77 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754460426564,"sku":"AXS-ES-10004","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_a860aa5d-f29e-4dac-9839-32e0c3bcef0e.png?v=1779176002"},{"product_id":"axs-es-10005","title":"Extension Spring | Do 3.5mm | d 0.5mm | L0 12.5mm | Spring Steel | AXS-ES-10005","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.5 mm, free length (L0) 12.5 mm. Test length (L1) 19.41 mm. Spring rate 1.47 N\/mm. Force at L1: 12 N. Initial tension (F0): 1.77 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754461081924,"sku":"AXS-ES-10005","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_5d786ad0-26d7-4d2b-94be-e161f10adc09.png?v=1779176010"},{"product_id":"axs-es-20001","title":"Extension Spring | Do 2.5mm | d 0.5mm | L0 7.9mm | Stainless Steel | AXS-ES-20001","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.5 mm, wire diameter (d) 0.5 mm, free length (L0) 7.9 mm. Test length (L1) 9.61 mm. Spring rate 6.65 N\/mm. Force at L1: 13.42 N. Initial tension (F0): 2.05 N. Material: Stainless Steel (EN 10270-3). Surface finish: Dry. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754461114692,"sku":"AXS-ES-20001","price":60.55,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_stainless_steel_illustrative_50bb8e26-351e-48a1-b8fe-47eba5da9ca5.png?v=1779186097"},{"product_id":"axs-es-20002","title":"Extension Spring | Do 2.5mm | d 0.5mm | L0 10.9mm | Stainless Steel | AXS-ES-20002","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.5 mm, wire diameter (d) 0.5 mm, free length (L0) 10.9 mm. Test length (L1) 13.64 mm. Spring rate 4.15 N\/mm. Force at L1: 13.42 N. Initial tension (F0): 2.05 N. Material: Stainless Steel (EN 10270-3). Surface finish: Dry. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754461245764,"sku":"AXS-ES-20002","price":60.55,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_stainless_steel_illustrative_14c675c9-6e90-4784-af55-8285c4cc17de.png?v=1779186103"},{"product_id":"axs-es-20003","title":"Extension Spring | Do 2.5mm | d 0.5mm | L0 15.4mm | Stainless Steel | AXS-ES-20003","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.5 mm, wire diameter (d) 0.5 mm, free length (L0) 15.4 mm. Test length (L1) 19.68 mm. Spring rate 2.66 N\/mm. Force at L1: 13.42 N. Initial tension (F0): 2.05 N. Material: Stainless Steel (EN 10270-3). Surface finish: Dry. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754461278532,"sku":"AXS-ES-20003","price":60.55,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_stainless_steel_illustrative_12e630ee-7807-4030-85aa-e8eb9082a185.png?v=1779186110"},{"product_id":"axs-es-20004","title":"Extension Spring | Do 3.5mm | d 0.5mm | L0 9.5mm | Stainless Steel | AXS-ES-20004","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.5 mm, free length (L0) 9.5 mm. Test length (L1) 13.82 mm. Spring rate 1.96 N\/mm. Force at L1: 10 N. Initial tension (F0): 1.47 N. Material: Stainless Steel (EN 10270-3). Surface finish: Dry. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754461311300,"sku":"AXS-ES-20004","price":60.55,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_stainless_steel_illustrative_2980b2ef-f55d-4298-819a-661e75c81613.png?v=1779186116"},{"product_id":"axs-es-20005","title":"Extension Spring | Do 3.5mm | d 0.5mm | L0 12.5mm | Stainless Steel | AXS-ES-20005","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.5 mm, free length (L0) 12.5 mm. Test length (L1) 19.41 mm. Spring rate 1.22 N\/mm. Force at L1: 10 N. Initial tension (F0): 1.47 N. Material: Stainless Steel (EN 10270-3). Surface finish: Dry. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56754461344068,"sku":"AXS-ES-20005","price":60.55,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_stainless_steel_illustrative_4c243bb0-7298-4bec-bc11-6b0f56f7b8c4.png?v=1779186123"},{"product_id":"axs-es-10006","title":"Extension Spring | Do 3.5mm | d 0.5mm | L0 17mm | Spring Steel | AXS-ES-10006","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.5 mm, free length (L0) 17 mm. Test length (L1) 27.8 mm. Spring rate 0.94 N\/mm. Force at L1: 12 N. Initial tension (F0): 1.77 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768142311748,"sku":"AXS-ES-10006","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_6ee03e0d-fd5a-4a55-8b12-82f7759b3749.png?v=1779176018"},{"product_id":"axs-es-10007","title":"Extension Spring | Do 3.5mm | d 0.5mm | L0 24.5mm | Spring Steel | AXS-ES-10007","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.5 mm, free length (L0) 24.5 mm. Test length (L1) 41.8 mm. Spring rate 0.59 N\/mm. Force at L1: 12 N. Initial tension (F0): 1.77 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768142344516,"sku":"AXS-ES-10007","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_5b2651df-ea74-4a9a-8e1b-d2f264e9def8.png?v=1779176026"},{"product_id":"axs-es-10008","title":"Extension Spring | Do 3.5mm | d 0.5mm | L0 290mm | Spring Steel | AXS-ES-10008","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.5 mm, free length (L0) 290 mm. Test length (L1) 500 mm. Spring rate 0.05 N\/mm. Force at L1: 12 N. Initial tension (F0): 1.77 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768142377284,"sku":"AXS-ES-10008","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_18f58d08-f1ea-4037-a8ec-7214a248e548.png?v=1779176036"},{"product_id":"axs-es-10009","title":"Extension Spring | Do 5.5mm | d 0.5mm | L0 12.7mm | Spring Steel | AXS-ES-10009","description":"\u003cp\u003eExtension spring with outer diameter (Do) 5.5 mm, wire diameter (d) 0.5 mm, free length (L0) 12.7 mm. Test length (L1) 25.8 mm. Spring rate 0.51 N\/mm. Force at L1: 9.27 N. Initial tension (F0): 1 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768142442820,"sku":"AXS-ES-10009","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_6446790e-7679-429d-96fe-1515106f9186.png?v=1779176042"},{"product_id":"axs-es-10010","title":"Extension Spring | Do 5.5mm | d 0.5mm | L0 15.7mm | Spring Steel | AXS-ES-10010","description":"\u003cp\u003eExtension spring with outer diameter (Do) 5.5 mm, wire diameter (d) 0.5 mm, free length (L0) 15.7 mm. Test length (L1) 36.6 mm. Spring rate 0.31 N\/mm. Force at L1: 9.27 N. Initial tension (F0): 1 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768142967108,"sku":"AXS-ES-10010","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_95d3b9e5-284d-4d49-a2f8-22341790df77.png?v=1779176050"},{"product_id":"axs-es-10011","title":"Extension Spring | Do 5.5mm | d 0.5mm | L0 20.2mm | Spring Steel | AXS-ES-10011","description":"\u003cp\u003eExtension spring with outer diameter (Do) 5.5 mm, wire diameter (d) 0.5 mm, free length (L0) 20.2 mm. Test length (L1) 52.9 mm. Spring rate 0.21 N\/mm. Force at L1: 9.27 N. Initial tension (F0): 1 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143032644,"sku":"AXS-ES-10011","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_1bd22bf1-2f6d-4fa0-9b0a-3c299f9d9964.png?v=1779176057"},{"product_id":"axs-es-10012","title":"Extension Spring | Do 5.5mm | d 0.5mm | L0 27.7mm | Spring Steel | AXS-ES-10012","description":"\u003cp\u003eExtension spring with outer diameter (Do) 5.5 mm, wire diameter (d) 0.5 mm, free length (L0) 27.7 mm. Test length (L1) 80 mm. Spring rate 0.13 N\/mm. Force at L1: 9.27 N. Initial tension (F0): 1 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143065412,"sku":"AXS-ES-10012","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_399ea09a-5bb5-4263-9bff-96cb9aaf1ad6.png?v=1779176065"},{"product_id":"axs-es-10013","title":"Extension Spring | Do 5.5mm | d 0.5mm | L0 37.7mm | Spring Steel | AXS-ES-10013","description":"\u003cp\u003eExtension spring with outer diameter (Do) 5.5 mm, wire diameter (d) 0.5 mm, free length (L0) 37.7 mm. Test length (L1) 116.1 mm. Spring rate 0.09 N\/mm. Force at L1: 9.27 N. Initial tension (F0): 1 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143229252,"sku":"AXS-ES-10013","price":43.12,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_e5ac9f61-fe35-4e03-a876-4a42b248b807.png?v=1779176073"},{"product_id":"axs-es-10014","title":"Extension Spring | Do 2.8mm | d 0.55mm | L0 8.8mm | Spring Steel | AXS-ES-10014","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.8 mm, wire diameter (d) 0.55 mm, free length (L0) 8.8 mm. Test length (L1) 10.78 mm. Spring rate 8.18 N\/mm. Force at L1: 19 N. Initial tension (F0): 2.79 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143294788,"sku":"AXS-ES-10014","price":44.87,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_760d5bb2-5471-4b83-9216-455ffc22f0f6.png?v=1779176082"},{"product_id":"axs-es-10015","title":"Extension Spring | Do 2.8mm | d 0.55mm | L0 12.1mm | Spring Steel | AXS-ES-10015","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.8 mm, wire diameter (d) 0.55 mm, free length (L0) 12.1 mm. Test length (L1) 15.27 mm. Spring rate 5.11 N\/mm. Force at L1: 19 N. Initial tension (F0): 2.79 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143360324,"sku":"AXS-ES-10015","price":44.87,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_cb4ca96e-f14b-45e5-8a1a-f3379dee7299.png?v=1779176090"},{"product_id":"axs-es-10016","title":"Extension Spring | Do 2.8mm | d 0.55mm | L0 17mm | Spring Steel | AXS-ES-10016","description":"\u003cp\u003eExtension spring with outer diameter (Do) 2.8 mm, wire diameter (d) 0.55 mm, free length (L0) 17 mm. Test length (L1) 21.96 mm. Spring rate 3.27 N\/mm. Force at L1: 19 N. Initial tension (F0): 2.79 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143393092,"sku":"AXS-ES-10016","price":44.87,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_62184de0-2a7b-474f-8902-514f3ee020b2.png?v=1779176097"},{"product_id":"axs-es-10017","title":"Extension Spring | Do 3.5mm | d 0.55mm | L0 9.9mm | Spring Steel | AXS-ES-10017","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.55 mm, free length (L0) 9.9 mm. Test length (L1) 13.58 mm. Spring rate 3.63 N\/mm. Force at L1: 15.7 N. Initial tension (F0): 2.38 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143884612,"sku":"AXS-ES-10017","price":44.87,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_e6f65d67-92e4-46fe-89c7-8fca87f61246.png?v=1779176106"},{"product_id":"axs-es-10018","title":"Extension Spring | Do 3.5mm | d 0.55mm | L0 13.2mm | Spring Steel | AXS-ES-10018","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.55 mm, free length (L0) 13.2 mm. Test length (L1) 19.09 mm. Spring rate 2.27 N\/mm. Force at L1: 15.7 N. Initial tension (F0): 2.38 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143950148,"sku":"AXS-ES-10018","price":44.87,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_5a3ffa80-ccb5-4920-96e4-54e8eabd7079.png?v=1779176113"},{"product_id":"axs-es-10019","title":"Extension Spring | Do 3.5mm | d 0.55mm | L0 18.1mm | Spring Steel | AXS-ES-10019","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.55 mm, free length (L0) 18.1 mm. Test length (L1) 27.3 mm. Spring rate 1.45 N\/mm. Force at L1: 15.7 N. Initial tension (F0): 2.38 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768143982916,"sku":"AXS-ES-10019","price":44.87,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_709168d6-84a5-462c-8aaa-a91ec990d0dc.png?v=1779176122"},{"product_id":"axs-es-10020","title":"Extension Spring | Do 3.5mm | d 0.55mm | L0 26.4mm | Spring Steel | AXS-ES-10020","description":"\u003cp\u003eExtension spring with outer diameter (Do) 3.5 mm, wire diameter (d) 0.55 mm, free length (L0) 26.4 mm. Test length (L1) 41.1 mm. Spring rate 0.9 N\/mm. Force at L1: 15.7 N. Initial tension (F0): 2.38 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. Winding direction: Right-hand.\u003c\/p\u003e","brand":"AxiSpring","offers":[{"title":"Default Title","offer_id":56768144015684,"sku":"AXS-ES-10020","price":44.87,"currency_code":"SEK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/7451\/3220\/files\/Extension_spring_steel_illustrative_b2aa48e0-4c9b-45dc-9dc3-c67d9812bc6b.png?v=1779176130"},{"product_id":"axs-es-10021","title":"Extension Spring | Do 6mm | d 0.55mm | L0 13.9mm | Spring Steel | AXS-ES-10021","description":"\u003cp\u003eExtension spring with outer diameter (Do) 6 mm, wire diameter (d) 0.55 mm, free length (L0) 13.9 mm. Test length (L1) 28 mm. Spring rate 0.58 N\/mm. Force at L1: 9.5 N. Initial tension (F0): 1.09 N. Material: Spring Steel (EN 10270-1-SH). Surface finish: Oiled. 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