Specifications Product Name：Dental Silicone Polishing Wheels Material：High Quality Silicone Color：Black/Brown/Green/Grey Grit Grades：Extra Coarse/Coarse/Fine/Ultra Fine Outer Diameter：22mm (0.87in) Height：3mm (0.12in) Compatible Shank：3/32"" - 2.35mm Recommended Speed：8,000 - 15,000 RPM Package：100Pcs/Box Instructions for Use: 1) Select an appropriate polisher (e.g., shape, size, type) based on intended use, and disinfect and sterilize according to the manual. 2) Choose a suitable dental handpiece (e.g., high-speed dental handpiece, contra-angle low-speed handpiece) based on the polisher type, ensuring the handpiece is in good working condition. 3) Fully insert the sterilized polisher into the handpiece chuck, ensuring secure attachment to the high-speed or contra-angle low-speed handpiece. 4) Inspect the polisher outside the oral cavity before use to ensure no deformation, scratches, rust, or damage. Operating speed must remain within the recommended range, with no vibration or abnormal noise, and the water cooling system functioning normally. 5) Use the polisher in “contact mode” without excessive pressure. Apply an operating pressure of 0.3-2N to prevent significant reduction in polisher speed.