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United Kingdom
This is Steel Extension Spring 69.8mm x 16mm manufactured by RS PRO. The manufacturer part number is RS_121-387. It has 69.8mm free length. Its spring rate is about 31.8n/mm . The product is made from highly stable and reliable steel. The wire has 3.2mm diameter. It has a maximum 83.40mm extended length . Moreover, it has an initial tension about 510n . The product has 16mm external diameter.
For more information please check the datasheets.
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