Proto® Industrial Tools SOCKET WRENCH ADAPTER 34960

1 INCH OVERALL LENGTH 1/4 INCH DRIVE END SIZE 1/4 DRIVE END SIZE - FRACTIONAL FEMALE DRIVE END STYLE 3/8 SOCKET END SIZE - FRACTIONAL 3/8 INCH SOCKET END SIZE MALE SOCKET END STYLE BLACKHAWK[T], PROTO[R] BRAND APPLICABLE STANDARD ASME B107.10M WEIGHT 0.04 LB