10Pcs Universal Bearing Compatible With High Speed Dental Handpiece 5 Types Air Turbine Torque Ceramic Balls Bearing Spare Parts 3.175x6.35x2.38mmFeature: 1. Universal dental bearing Compatible With dental high speed handpiece.2. Designed with dust-proof cover of the bearing, easy and practical to use.3. Stainless steel material manufacturing ensure maximum durability.4. 5 Types to choice, easy and convenient for installation, reliable and durable to use.5. Wonderful replacement for the old or broken one, directly fitment.Specification: Product Name: Dental Bearing For High Speed Air Turbine HandpieceQuantity: 10PcsMaterial: Stainless steelOptions: 7 Steel Balls Bearing, 8 Steel Balls Bearing, 8 Black Ceramic Balls Bearing, 8 White Ceramic Balls Bearing, Top Grade TypeDiameter: Approx. 6.35mm / 0.25inchInner Diameter: Approx. 3.15mm / 0.12inchHeight: Approx. 2.38mm / 0.09inchSuitable for: High-speed Dental HandpiecePackage List: 10Pcs * Dental Bearings