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 discso Type “R” quick change screw on fastening systemso Heavy Duty Aluminum Oxide (A/O)o Good cutting performance and economy in an all purpose disco No grinding additives provides a safer working environment