- Split bite jaw increases grip over standard bite chucks by providing more contact with the bit
- Superior gripping force provides high mechanical advantage to convert hand tightening torque into superior bit gripping force
- Hammerlock mechanism is a positive locking mechanism that prevents loosening in hammer and other high vibration applications
- Anti-lock nut prevents chuck from lock opening
- Precision operation that meet or exceed stringent din run-out and dimensional specifications
- Ergonomic design with material and surface finish combinations that result in increased comfort and performance
- Constructed of high performance material to maximize durability
![Apex Tool Group Jacobs Chuck Multi-Craft Drill Chucks, KG1, 3/8 in, Threaded 3/8-24, 1/EA #30247 Apex Tool Group Jacobs Chuck Multi-Craft Drill Chucks, KG1, 3/8 in, Threaded 3/8-24, 1/EA #30247](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/258103/458720/403-30247__20083.1677183729.jpg?c=2)