Jacobs® Hand-Tite keyless chucks significantly reduce bit changeover time and boost productivity.
Prevents bit slippage during hammer drilling. Hammerlock system absorbs and compensates for the effects of impact and vibration. Fast bit changing. Rugged construction. Ergonomic design. Patented Hammerlock mechanism automatically engages as the chuck is tightened. Hard nose protects chuck from work surface abrasion. No lost key delays. For professional corded or cordless hammer drills.
Holds bits from 1/16" to 3/8"
Chuck has 1/2-20 mount that fits drill motors with 1/2-20 spindles