... GB,DIN,ANSI Cretificate:ISO9001-2008,ROHS OEM:manufacturer Socket Wrench Key Socket Wrench Key Material:45#,cr-vSize:M1-M24Finish ... or plastic card,or according to customer requirementDimensions Product name Socket Wrench Key Specification M1-M24MaterialA-2 Stainless Steel alloy ... of Socket Wrench Key are:The tool is simple, small and light.The contact surfaces of the screw or bolt are protected ...