1.Color: Pink (Mid-coarse),Blue (fine) 2.Material: Silicone 3.For Composite /Natural teeth/Porcelain finishing and polishing 4.High-pressure sterilization: 135℃. 5.Recommended speed:10000-15000r/min 6.Package:10pcs
speed of rotation:10,000-15,000 Maximum speed :20,000.