Compatible with multiple models including 1060, 1075, 2051, 2060, 2075, 6000, 7000, 8000, 6001, 7001, 8001, 5500, 6500, 7500, and 6002 for broad usage across various drill systems.Engineered B247-3345 chuck shaft designed for performance and consistent torque transmission.construction supports long-term use in drilling applications.Easy to install and integrates into existing setups.Pack of 10 pieces provides sufficient supply for replacements or maintenance needs.