IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. IVY Classic Swift Cut Masonry Depressed Center Wheels are constructed out of resin bonded silicon-carbide grain which enables faster, consistent, all purpose grinding of brick, concrete block, slate, tile and other masonry products. The wheels feature double reinforced fiberglass mesh for durability and safety and metal reinforced arbors for extra strength. They are intended for use with angle grinders.