K-D Tools 31038 1/2" Professional-Duty Jacobs Hand-Tite Keyless Chuck

• Jacobs 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.
• They feature a nonrusting, high-performance body with a unique sure-grip sleeve for maximum user comfort and hand tightening efficiency.