Thin, but extra strong design to reach confined working areas where traditional wrenches cant reach.; Drop forged, heat treated, chrome plated steel.; Sizes: 3/8" x 7/16" , 1/2" x 9/16" , 5/8" x 11/16" , 3/4" x 13/16" , 7/8" x 15/16" , 1" x 1-1/16" , 1-1/8" x 1-1/4" .; Includes roll-up storage pouch.