used in cavity preparation. root canal treatment. altering prosthesis. used for polishing enamel or restorative materials. Material Made up of Stainless steel. Low maintenance. Easy to operate. Superior functionality. Rust Free Corrosion Resistant. 2x Holes in Air-Rotor Head: 2 holes in the air-rotor head have been equipped to increase the cooling effect for the tooth. High-speed handpiece. They allow you to change the torque settings. Removes tooth structure faster with less pressure, vibration, and heat generation. Small in size and lightweight is more universal in application. Greater ease for operation.