Cartridge-N600CompatibilityFor MOKO 560/520 Series and other MDK Standard head HandpiecesCompatible with NSK® X600L HandpieceSpecificationsHigh performance German-made bearingsDurable Carbide made guide borerAccurately Balanced by high-end balancing equipmentTechnical DataDimensional accuracy: 0.002 mmRun-out accuracy: 0.006 mmAccuracy of the bur borer: 0.002 mmChuck system extracting force: ≥30NPush button opening force: ≤45N