- Item Features
- Proto® hex bit impact sockets can be used on stubborn fasteners
- Tight tolerances for snug fit on fastener
- 5441 5/16RKA replacement shaft
- Hex bit impact sockets are used wherever powered drive tools are used to install or remove fasteners
- Hex bit impact sockets are designed to withstand the high torque and force associated with impact tools in repetitive application
- Side locking hole
- Hex bit for 5/16 in socket