Proto® J4990-8MXL Extra Long Standard Length Socket Bit, Metric, 8 mm Bit, 3/8 in Square Drive, 13/64 in
Proto® Socket Bit, Extra Long Standard Length, Measurement System Metric, 3/8 in Drive, Square Drive, 8 mm Bit, Hex Bit, 13/64 in Bit Length, 6-3/32 in Overall Length, 6 Points, Heat Treated Alloy Steel, Full Polished Chrome
- Bit holders have a hex opening to hold the bit allowing the bit holder to take the full load of torque
- Two-piece design allows replacement of worn bits
- Made using a heat-treated alloy for wear resistance which helps minimize distortion for a long-life