{"product_id":"tess77181-3100","title":"Extension Spring  TESS-77181  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):8.0Free Height L (mm):37.6Number of Rolls (roll):39.5Mechanical Spring Constant (N\/mm):0.047Allowable Weight (N):4.17Load Height L1 (mm):114.5Initial Tensile Strength (N):0.549Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257451","offers":[{"title":"Default Title","offer_id":37287709671585,"sku":"TESS77181                     3100","price":1209.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77181_3100__MA_42be0268-8775-4e97-b5f5-6aa2cbad2a68.jpg?v=1616763786","url":"https:\/\/kital-tools.com\/products\/tess77181-3100","provider":"KITAL","version":"1.0","type":"link"}