1. For removing rusty, stripped or worn nuts.
2. Not for installing new nuts.
3. Designed to be used with a ratchet wrench. Not for use with an air or impact wrench.
4. Punch bar used with a hammer for removing the nuts stuck in the twist sockets.
10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 24mm, 27mm