Lightest Hygiene Handpiece for Fatigue Free Use Whisper Quiet to Reduce Patient Stress Smooth, Vibration Free Operation Ergonomic Design Provides Perfect Balance 360° Swivel for Superb Maneuverability Soft Start-up Speed Prevents Paste Splatter Superior Torque to Overcome the Toughest Polishing Challenges Directly Connects to Any 4-hole Standard Tubing—No Coupler Needed Durable One-piece Handpiece Construction for Easy Maintenance & Sterilization Protocols Works with all Standard Disposable or Metal Prophy Angles Autoclavable up to 275 °F