{"product_id":"tess77131-3100","title":"Extension Spring  TESS-77131  TRUSCO","description":"\u003cp\u003eThe mechanical spring wound as a hook with both ends tightened by applying constant tension to the wire rod.A mechanical spring to use in pulling direction.Class 2 of JIS B2704 is applied tolerance of dimensions and spring characteristics.Wire Diameter d (mm):0.40Outer Diameter D (mm):5.0Free Height L (mm):25.4Number of Rolls (roll):39.5Mechanical Spring Constant (N\/mm):0.057Allowable Weight (N):2.65Load Height L1 (mm):64.2Initial Tensile Strength (N):0.441Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257401","offers":[{"title":"Default Title","offer_id":37287700791457,"sku":"TESS77131                     3100","price":1209.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77131_3100__MA_29687986-59b5-4182-b1f1-f72545d980c8.jpg?v=1616763684","url":"https:\/\/kital-tools.com\/products\/tess77131-3100","provider":"KITAL","version":"1.0","type":"link"}