Harden Heat Treated Stainless Steel Wrenches is made from chrome vanadium alloy steel and comes with excellent surface finishing. Powertex Marketing manufactures Harden Heat Treated Stainless Steel Wrenches. Powertex Marketing is an ISO 9001:2000 certified company. Powertex Marketing supplies various types of power tools and machine tools, construction building hardware, self adhesives and sealants, industrial machinery items, curtain decoration hardware, blinds etc. Harden Heat Treated Stainless Steel Wrenches is handy even at narrow space.