King Tony1/4″ Imperial Standard 6-Point Socket 7/16″Chrome vanadium alloy steel, polished, chrome plated.4 ball retaining grooves.ANSI/ASME B107.1: 7/16D1 (mm): 15.8D2 (mm): 14.2l (mm): 9L (mm): 24Weight (g): 19
Internal Reference: 230514S