Reliable Results - The Standard for Concrete Turbo Diamond Grinding Head delivers reliable results when grinding and polishing concrete. Its turbo-grinding ring offers a stable performance over a wide variety of surfaces. This product is intended for concrete, natural and artificial stone. It is suitable for use with concrete grinders. Bosch's dynamic counter-balancing results in vibration-free work, which also protects the power tool. With 22.23 mm bore for concrete grinders and angle grinders with locking nut. Features and Benefits • Reliable Grinding and Polishing Concrete • Standard for Concrete Turbo Diamond Grinding Head delivers reliable results when grinding and polishing concrete • Its turbo-grinding ring offers a stable performance over a wide variety of surfaces Specifications Unbalance, max. g*: 50mm Diameter: 105mm Bore size: 22.23mm Bore diameter: 22.23mm Segment height: 3,0mm