Series S for crown preparation. Diamond bur with a shank featuring overlapping flat faces. Allows for better debris evacuation, prevents the bur from dulling, enables faster and more effective work, increases the durability of the bur, achieves better cooling, and reduces vibrations that are uncomfortable for both the patient and the professional. ISO: 103 - Maximum Speed: 300,000 rpm - Shape: TORPEDO CONICAL Diameter 018 - Shank TURBINE COARSE S Grain Type: COARSE S - Application: Preparation Carving - Packaging Quantity: 5 pcs.