QUALITY MATERIAL GRINDING DISC: Gunpla concrete grinding discs are made from high quality and strong diamond coating. The abrasive cup for angle grinders is strongly constructed to be robust and could sustain long working hours without any risk of scratches or other undesired outcomes. WELL SHAPED TO FIT MOST GRINDERS: This 180mm segmented cutting disc is easily attached to angle grinders for smooth application. Well made for grinding of thick concrete layers, removal of sludge skins and formwork seams on concrete, levelling of concrete and granite and other natural stones, removal of chalk-cement-plaster, hard cement, hard screed. COST EFFECTIVE DIAMOND DISC: Our 7 inch diamond cutting disc is perfect for use by both professionals and also occasional users. They are definitely made with premium quality material, at the same time made accessible Diameter: 180mm (7inch); Arbor size: 7/8 inch(22.2mm): 2 reducing rings 5/8 inch (16mm) and 4/5 inch (20mm). Max RPM 8600; Maximum speed 80m/s. DESIGNED TO KEEP SHAPE: Aware of customers’ requirements, these heavy duty marble and granite diamond blade feature air holes, to favor and maintain a cool and stable cutting pattern, highly reducing wear and tear over the years of use. FAST, CLEAN AND SMOOTH APPLICATION: The segmented diamond abrasive blade is engineered with a one scattered pattern to ensure fast, smooth and clean grinding. They can be used in a wet or dry state, great to use in various projects on different sites. Can be used for concrete, stone, plaster, paint, marble, tile, rock and mortar coating removal.