Circle class "MASTER" for domestic use. In the manufacture, a flexible abrasive material is used, consisting of a fabric base on which aluminum oxide - corundum is applied. Produced using technology and quality control. The filling of the disk is 72 petals with an inclination angle of 10 degrees, which allows to increase the contact area of the treated surface and the efficiency of the circle. Designed for metal processing. For angle grinders. Landing diameter 22.2 mm.