{"product_id":"tess77174-3100","title":"Extension Spring  TESS-77174  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):0.55Outer Diameter D (mm):5.0Free Height L (mm):43.5Number of Rolls (roll):62.5Mechanical Spring Constant (N\/mm):0.141Allowable Weight (N):6.96Load Height L1 (mm):81.0Initial Tensile Strength (N):1.667Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257444","offers":[{"title":"Default Title","offer_id":37287708131489,"sku":"TESS77174                     3100","price":1209.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77174_3100__MA_4759eaba-23bb-459a-8cb7-843cbe13e5d3.jpg?v=1616763773","url":"https:\/\/kital-tools.com\/products\/tess77174-3100","provider":"KITAL","version":"1.0","type":"link"}