Jacobs® Hand-Tite keyless chucks significantly reduce bit changeover time and boost productivity.
Based on an exclusive patented design, the Jacobs keyless chuck achieves higher gripping torque than standard keyed chucks, and there is never a key to misplace.
Non-rusting, high-performance body with a unique sure-grip sleeve for maximum user comfort and hand tightening efficiency.
Holds bits from 1/16" to 1/2"
Chuck has 1/2-20 mount that fits drill motors with 1/2-20 spindles