THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: MATCO MCL322 PROTO 39942933 WILLIAMS 1232SC PROTO 1232T500 PROTO 5771232T500 MAC TOOLS CB322KS PROTO J1232T500 WILLIAMS JHW1232SC MATCO MCL322 PROTO PRO1232T500. SKILCRAFT ProGrade Combination Wrenches 1 BRAND NAME: SKILCRAFT. Premium grade, high polish chrome finish 1 combination wrench with open and box ends. Made of forged and heattreated steel for extra strength and durability, these combination wrenches feature a continuous arc design that distributes applied stress over the entire radius of the open end. The 12point boxend features a 7.5 degree offset broaching that allows users to flip the end for a more advantageous grip in tight spaces. Available in a variety of sizes, these U.S.A. made, Berry Amendment compliant wrenches meet or exceed SAE Aerospace Standard 954 for 12point fasteners and carry a limited lifetime warranty. SDS SHEETS: Yes. ENVIRONMENTAL SUSTAINABILITY (GREEN) INFO: PreConsumer Recycled Content: 0