Drop forged and heat treated to ANSI specifications
Chrome Vanadium Steel
Precisely machined open end and box end to exact specifications
Comes with a PVC storage case and organizer
Sizes: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"
