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.