Felt Wheels For Polishing with Powder Features Hook and Loop backed, 1/4" thick, Max Rpm 4000 Use with our buffing compound on Marble or Granite Medium density A water hole drilled through the wheel It is a very popular material for the final buff process in stone fabrication Alpha Felt Wheels are hook and loop-backed buffing wheels designed for use with polishing powders, polishing pastes, and polishing bars to bring out a deep glossy finish on marble and delicate granite edges such as ogees & bullnoses Marble fabricators love the luster they obtain Monumentalists like the durability of the Alpha Felt Wheel Tile contractors rave about the glossy finish they can present to their customers Designed specifically to hold up to the acidic contents of most polishing compounds and the heat that is typically generated during the final polishing process 1/4" thick with the perfect degree of hardness versus softness The wool fibers have been combed, batted, hardened, and then felted, providing longer life and consistent density for your most rigorous finishing needs