GEARWRENCH Drill Chuck Hand-Tite Keyless 3/8 In. Capacity
The 30354 is a Hand-Tite® keyless drill chuck. The maximum capacity is 3/8 In. and has a 3/8 x 24 mount. It includes Hammerlock® which is a positive locking mechanism that prevents loosening while in hammering and other high vibration applications. The split bite jaw design allows increased grip over standard bite chucks by providing more contact with the bit.
Anti-lock nut: prevents chuck from locking open.
Hammerlock® mechanism: positive locking mechanism prevents loosening in hammer and other high vibration applications.
Superior gripping force: provides high mechanical advantage to convert hand tightening torque into superior bit gripping force.
Split bite jaw: increases grip over standard bite chucks by providing more contact with the bit.