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 qty.14Point Size qty.12SAE Size(s) (Standard) 1/4, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 11/16, 3/4 (Stub