{"product_id":"tess77140-3100","title":"Extension Spring  TESS-77140  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):5.4Free Height L (mm):30.3Number of Rolls (roll):49.5Mechanical Spring Constant (N\/mm):0.035Allowable Weight (N):2.40Load Height L1 (mm):86.7Initial Tensile Strength (N):0.392Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257410","offers":[{"title":"Default Title","offer_id":37287701446817,"sku":"TESS77140                     3100","price":2091.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77140_3100__MA_0d144b45-26a6-4959-9aaa-df28a662ec51.jpg?v=1616763702","url":"https:\/\/kital-tools.com\/products\/tess77140-3100","provider":"KITAL","version":"1.0","type":"link"}