{"product_id":"tess77010-3100","title":"Extension Spring  TESS-77010  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):0.29Outer Diameter D (mm):3.20Free Height L (mm):17.5Number of Rolls (roll):39.5Mechanical Spring Constant (N\/mm):0.062Allowable Weight (N):1.62Load Height L1 (mm):38.8Initial Tensile Strength (N):0.304Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257272","offers":[{"title":"Default Title","offer_id":37287688929441,"sku":"TESS77010                     3100","price":1209.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77010_3100__MA_a0d59e2a-4437-4c94-9ae1-8ea6efb997f1.jpg?v=1616763422","url":"https:\/\/kital-tools.com\/products\/tess77010-3100","provider":"KITAL","version":"1.0","type":"link"}