Abrasive disks for power-operated grinders; Abrasive disks for power-operated sanders; Abrasive wheels for power-operated grinders; Air screwdrivers; Grinding and polishing machines; Kits comprised of sandpaper sheets configured to fit power-operated sanders; Parts for compressed-air tools, namely, brakes, filters, hoses, pipes, couplings valves, switches, compressors, clamping tools and injectors; Polishing discs for automated wet-polishing multi-head machines; Polishing machines for use in ...