Bosch HA3JAW Keyless Three-Jaw Chuck with SDS-Plus Shank

The Bosch HA3JAW SDS-Plus shank is a 1/2" keyless ratcheting capacity three-jaw chuck designed for effortless bit changes and rapid securing of bits. It is best suited for use with straight shank drill bits and should only be used in drill/rotation mode. This chuck features a robust and highly durable sleeve.