The Keyless Drill Chuck offers comfortable, keyless operation for maximum ease of use. It allows for easy and fast two-handed clamping without using a key and securely fastens cylindrical or hex shank drill bits. 2-sleeved keyless drill chucks are available with different mounts (1/2 - 20, 3/8- 24, 5/8 -16, 1/4 external hex shank, B16, and SDS plus) and