Outstanding lifespan for concrete - The Expert for Concrete diamond cup wheel with high durability achieves an exceptional lifespan when grinding concrete layers. The two-row arrangement of 18 segments ensures excellent durability and uniform grinding for less turbulence on the surface. The high balance of the grinding head allows for vibration-controlled grinding. It is compatible with angle grinders. The high balance enables vibration-controlled operation, protecting both the user and the power tool. With a bore diameter of 22.23 mm for concrete grinders and angle grinders with a clamping nut.