Stahlwille 40a Socket, 1/4″ Drive, 6 Point, 3/8″
ASME B 107.1, Fed. Spec. GGG-W-641, SAE AS 954-E (test loads)Q high performance steel, chrome plated6 point AS-Drive ring profile and extremely tight manufacturing tolerances allow for higher force transmission without the risk of damage to the fastener
