Jacobs 33363 JK 130-1/2 Industrial Grade Keyless Chuck 1.0 to 13.0 Millimeter Capacity with 1/2-Inch 20 Threaded Mount
- High Grip Torque- Self-Tightening Feature Automatically Increases The Grip In Proportion To The Increase in Torque During Drilling..
- Wide Application- Threaded Mounts For Professional Portable Drill Machines And Taper Fit For Stationary Drilling Machines..
- Medium Duty Design For Various Applications.