Bosch Chuck Quick Change SDS-PLUS for Bosch Rotary Hammer Drills - Bosch 2608572059, These Quick Change Chucks from Bosch have SDS-PLUS shanks and are compatible with Bosch rotary hammer drills.
SDS-plus quick-change chuck SDS-plus, suitable for GBH 4 DFE; GBH 4 DSC Professional; PBH 300 E.
Bosch 2608572059 Chuck Quick Change SDS-PLUS for GBH 4 DFE