THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: MATCO MCL202 PROTO 38735171 WILLIAMS 1220SC PROTO 1220T500 STANLEY 449N57 PROTO 5771220T500 MAC TOOLS CB202KS PROTO J1220T500 WILLIAMS JHW1220SC MATCO MCL202 PROTO PRO1220T500 SNAPON SOEX20 SNAPON SOEX20. SKILCRAFT ProGrade Combination Wrenches 5/8 BRAND NAME: SKILCRAFT. Premium grade, high polish chrome finish 5/8 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