Core drilling bits; Polishing machines for use in grinding and polishing metal, wood, ceramics and plastics; Polishing system for use in single-head machines comprising grinding and polishing discs for stone profiling and edges; Power drill accessories, namely, non-electrical adapters for use in joining extensions and power drill bits; Power tools, namely, drills, routers, circular saws; Precision machine tools, namely, hard metal tools, high speed steel (HSS) tools, carbide tools, ceramic to...