o Manufactured utilizing a multilayer, heavy duty vulcanized fiber backing o Covered with a formulated bond coat to resist loading, glazing and grain stripping o Powerful, versatile, flexible, safe and economical o Outperform and outlast conventional 2-ply and 3-ply cloth backed discs o Type “R” quick change screw on fastening systems o Heavy Duty Aluminum Oxide (A/O) o Good cutting performance and economy in an all-purpose disc o No grinding additives provides a safer working environment