{"product_id":"tess77219-3100","title":"Extension Spring  TESS-77219  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):0.90Outer Diameter D (mm):8.0Free Height L (mm):28.5Number of Rolls (roll):15.5Mechanical Spring Constant (N\/mm):0.984Allowable Weight (N):18.34Load Height L1 (mm):42.6Initial Tensile Strength (N):4.511Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257494","offers":[{"title":"Default Title","offer_id":37287712227489,"sku":"TESS77219                     3100","price":1209.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77219_3100__MA_b681e7fb-1efa-4276-8d1f-160aa508f38e.jpg?v=1616763868","url":"https:\/\/kital-tools.com\/products\/tess77219-3100","provider":"KITAL","version":"1.0","type":"link"}