King Tony1/4″ Imperial Standard 6-Point Socket 3/16″Chrome vanadium alloy steel, polished, chrome plated.4 ball retaining grooves.ANSI/ASME B107.1: 3/16D1 (mm): 7.9D2 (mm): 11.8l (mm): 6L (mm): 24Weight (g): 10
Internal Reference: 230506S