Cartridge-K8000CompatibilityFor MOKO 760/720 Series and other MDK Torque head Handpieces Compatible with KaVo® 8000 Handpieces SpecificationsHigh performance German-made bearings Durable Carbide made guide borer Accurately Balanced by high-end balancing equipment Technical Data Dimensional accuracy: 0.002 mm Run-out accuracy: 0.006 mm Accuracy of the bur borer: 0.002 mm Chuck system extracting force: ≥30N Push button opening force: ≤45N