Chrome vanadium drop forged steel for strength. Mirror finish. 10 standard length wrenches 1/4in. to 3/4in. and 4 stubby wrenches 3/8in. to 9/16in.Pieces: 14 qty.Point Size: 12 qty.SAE Size(s) :(Standard) 1/4, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 11/16, 3/4 (Stubby) 3/8, 7/16, 1/2, 9/16 in.Material Type: Chrome Vanadium Steel .Finish Type: Mirror.Storage Type :Roll-up Pouch.Meets or exceeds ANSI and federal specifications.Limited lifetime warranty .