Removes rusted and corroded fasteners
Smaller-sized chucks designed to fit heavily worn fasteners
Innovative tapered grooves grip damaged bolts and nuts firmly
Bidirectional design removes or tightens damaged fasteners
Two-size chucks fit both SAE and metric fasteners
Hex head for use with pressure guns, ratchets, wrenches or pliers.
Up to 5 times greater gripping power
Includes durable storage case.

These are consumable parts!

Includes:
3/8 ratchet
1/4 chucks 7, 7, 8, 8mm
3/8 Chucks 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 16, 16, 17, 17, 19, 19mm
3/8 Extension 6
3/8 x1/4 adapter