The bit holder sockets have a 3/8in sq drive, and the ball drive bits are held securely in place by a non-torque-absorbing pin
- Made from high strength steel alloy
- Hex ball-drive bits have black oxide finish
- Sockets have bright chrome finish
- SAE Set contains 1/8, 5/32, 3/16, 7/32, 1/4, 5/16, & 3/8 inch bits.
- MM Set contains 3,4,5,6,7,8,and 10 mm bits.