Aurora wrench set imperial

Chrome vanadium steel for strength and durability and precision broached jaws for sure gripping. Thin walled construction for access in cramped quarters and heat treated for consistent hardness Imperial. 12-point box end for snug fit. Includes: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8". Meets ANSI standards. 11 pieces/set.