The circle is designed for angle grinders with speed control in the range from 2500 to 4500 rpm. Applies for grinding and polishing marble, granite, porcelain stoneware and other products made of natural and artificial stone using water. The circle has a diamond coating and made on a flexible basis. Fastened with Velcro to a special nozzle. Material: polymer bond, diamond fraction, pile basis. Packing: hanging package.