1/2" Keyless Drill Chuck Replacement 1/2 x 20 UNF 13MM fits most drills 1/2 inch
- Keyless hand-tight three jaw design fits most drills with 1/2" shaft
- 5/64" to 1/2" capacity, Hardened jaws
- Drill chuck easily replaces your defective drill
- 1/2 - 20 UNF mount, Easy Grip body for increased drill chuck closure torque.
- Serrated chuck for improved drill bit grip under most severe loads