- Bit holders have a hex opening to hold the bit allowing the bit holder to take the full load of torque.
- Made of heat-treated alloy steel.
- Polished chrome finish.
SIZE [IN]: 5/16
DRIVE SIZE [IN]: 1/2
FINISH: Black Oxide
LENGTH TYPE: Standard
UNIT OF MEASURE: Fractional
TIPS: Hex
SPECIFICATION AS: SAE AS4984A