... tool steel cutter blades and center pilot drill bit. Graduated in metric and inch sizes. to adjust the size locate ... Card Hole Cutting Kit For Downlights - Adjustable 300mm SUPPLIED AS A KIT IN PLASTIC CASE WITH 120mm adjustable hole cutter with TCT ... , model builders, clockmakers and hobbyists For precision circles and holes in sheet metal, brass, copper, aluminum, plastics, wood, and composition ...