{"product_id":"tess77137-3100","title":"Extension Spring  TESS-77137  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):20.3Number of Rolls (roll):24.5Mechanical Spring Constant (N\/mm):0.072Allowable Weight (N):2.40Load Height L1 (mm):48.1Initial Tensile Strength (N):0.392Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windStainless Steel (SUS304-WPB)\u003c\/p\u003e","brand":"1257407","offers":[{"title":"Default Title","offer_id":37287701282977,"sku":"TESS77137                     3100","price":2091.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TESS77137_3100__MA_2fabae77-e447-463c-b9e7-3b46839b7d72.jpg?v=1616763696","url":"https:\/\/kital-tools.com\/products\/tess77137-3100","provider":"KITAL","version":"1.0","type":"link"}