Hand-Tite Keyless Chuck — 1/2in. Chuck Size

Equip your 3/8in. drill with a 1/2in. keyless chuck and avoid paying more for reduced shank drills. Patented keyless design produces greater bit-gripping force than conventional keyed chucks. Drive (in.): 1/2, Chuck Key Type: Hand-Tite Reducing Keyless, Mount Type: 24