High Stock Removal - The X-LOCK R574 Best for Metal Fibre Disc ensures high stock removal. Its tough zirconia grain achieves high stock removal in coarser grits and good surface quality in finer grits. The disc's thick and vulcanised backing supports a stable grinding process. X-LOCK sanding discs also fit standard angle grinders. Changing fibre discs is fast and convenient thanks to the keyless X-LOCK system. Discs are suitable for clamping on an X-Lock or standard rubber backing pad. Click it on with X-LOCK – the fastest accessory-changing system on the market. Also fits nut and thread angle grinders. Features and Benefits • High Stock Removal • X-LOCK R574 Best for Metal Fibre Disc ensures high stock removal • Tough zirconia grain achieves a high stock removal in coarser grits and good surface quality in finer grits Specifications Disc diameter: 115mm Bore diameter: 22,23mm Bore size: 22,23mm Grit: 80