{"product_id":"test88021-3100","title":"Extension Spring(Steel)  TEST-88021  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):0.50Outer Diameter D (mm):4.50Free Height L (mm):13.4Number of Rolls (roll):10.5Mechanical Spring Constant (N\/mm):0.912Allowable Weight (N):7.26Load Height L1 (mm):19.5Initial Tensile Strength (N):1.569Hook Shape: Reverse Round HookHook Counter Azimuth: 180degreesWinding Direction: Right windSWP-B (piano wire)\u003c\/p\u003e","brand":"1257577","offers":[{"title":"Default Title","offer_id":37287718617249,"sku":"TEST88021                     3100","price":2091.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0493\/5473\/5777\/products\/TEST88021_3100__MA_e1c8af5d-a29d-4fd4-914d-b628962f5a1c.jpg?v=1616764034","url":"https:\/\/kital-tools.com\/products\/test88021-3100","provider":"KITAL","version":"1.0","type":"link"}