Product Compatibility: Compatible with Bosch GBH 8-45 D rotary hammer Quality Standards: Designed to meet or exceed the original manufacturer's specifications, ensuring consistent and efficient operation Complete Set: Both brushes included in the package Voltage Compatibility: Compatible with both 110V-120V and 220-240V versions of the Bosch GBH 8-45 D rotary hammer Durability and Reliability: High quality carbon brushes engineered for reliability and long service life