Wrenches meet or exceed ANSI/ASME B18.3 specifications Chamfered hex key edges to give better fit and reduce stripped fasteners Black oxide finish resists rust Durable caddy keeps keys organized and has marked slots for each key Metric Set includes: .05",1/16",5/64",3/32",7/64",1/8",9/64",5/32",3/16",7/32",1/4",5/16",3/8",1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm Easily stores on tool wall or tool box