Abrasive disks for power-operated grinders; Abrasive disks for power-operated sanders; Bits for power drills; Blades for power saws; Blades for power tools; Extensions for power tools; Grinding and polishing machines; Power drill accessories, namely, non-electrical adapters for use in joining extensions and power drill bits; Power hammers; Power-driven saws; Power-driven wrenches; Power-operated nailing guns; Power-operated rivet guns; Power-operated screwdrivers