{"product_id":"tess77273-3100","title":"Extension Spring  TESS-77273  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):2.0Outer Diameter D (mm):20.0Free Height L (mm):116.2Number of Rolls (roll):39.5Mechanical Spring Constant (N\/mm):0.588Allowable Weight (N):70.31Load Height L1 (mm):204.4Initial Tensile Strength (N):18.437Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257554","offers":[{"title":"Default Title","offer_id":37287716389025,"sku":"TESS77273                     3100","price":2091.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77273_3100__MA_b9eaf06c-a8fc-4cf9-a542-984ff976ea2b.jpg?v=1616763984","url":"https:\/\/kital-tools.com\/products\/tess77273-3100","provider":"KITAL","version":"1.0","type":"link"}