{"product_id":"tess77108-3100","title":"Extension Spring  TESS-77108  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):3.60Free Height L (mm):14.3Number of Rolls (roll):19.5Mechanical Spring Constant (N\/mm):0.343Allowable Weight (N):3.53Load Height L1 (mm):21.6Initial Tensile Strength (N):1.000Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257378","offers":[{"title":"Default Title","offer_id":37287698170017,"sku":"TESS77108                     3100","price":2091.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77108_3100__MA_043a8e9a-9416-4715-9d5e-99a73ee3e0e2.jpg?v=1616763631","url":"https:\/\/kital-tools.com\/products\/tess77108-3100","provider":"KITAL","version":"1.0","type":"link"}