Redi lock diamond floor grinding pad concrete grinding disc for floor grinder is an essential tool for any professional or DIY concrete surface preparation job. Our product comes in 3-inch and 4-inch sizes, suitable for different sizes of floor grinders. With high-quality diamond abrasives and advanced manufacturing techniques, our grinding pads ensure fast and efficient removal of coatings, stains, paints, and concrete imperfections. The Redi lock system enables quick and easy pad change, saving you time and money in the long run. As a factory with years of experience in producing diamond tools, we guarantee the most competitive prices and the highest quality standards for all our customers.