Capacity Hand-Tite Chucks, 0.06 in - 0.5 in, Threaded 3/8-24

Features : 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