Drop forged, heat treated chrome vanadium steel. Heavy duty hex shaft. Heavy duty firm grip handle.
Sizes - 5/32" x 3/8" x 8", 3/16" x 3/8" x 8, 7/32" x 7/16" x 8", 1/4" x 1/2" x 8", 5/16" x 1/2" x 8"