The SDS-Plus Quick-Change Chuck is a keyless system chuck designed for seamless mounting and dismounting without additional tools. It is compatible with Bosch rotary hammers, particularly models GBH 4 DFE, GBH 4 DSC, and PBH 300 E. This chuck allows for quick transitions between drilling and hammering tasks, enhancing efficiency on the job. Its robust construction ensures durability, while the SDS-Plus interface provides secure bit retention and optimal power transfer during operation. Ideal for professionals seeking reliable and time-saving solutions in drilling applications. Features and Benefits Quick-change keyless chuck for effortless bit replacement Works with select Bosch rotary hammer models for versatile use Allows easy transition between hammering and drilling for improved workflow Sturdy build for durability in demanding tasks SDS-Plus connection provides firm grip and efficient power delivery Ideal for professionals requiring a fast and dependable chuck syste