The soft bond of the silicone polishers adapts to the surface. The polishers are ideally suited for smoothing. Features Abrasive: Silicon carbide Colour: Light blue Grain size: Fine Hardness: Soft Material: Silicone Properties: HP shank (Ø 2,35 mm) Series: Universal Shape: Wheel Size: Ø 11 x 2 mm Speed (rpm): 7000 - 10000, max 20000 Suitable for: Base metal alloys, Precious Metals Weight (kg): 0.002