... Sales package: Blister Card Hole Cutting Kit For Downlights - Adjustable 300mm SUPPLIED AS A KIT IN PLASTIC CASE WITH 120mm adjustable hole ... , model builders, clockmakers and hobbyists For precision circles and holes in sheet metal, brass, copper, aluminum, plastics, wood, and ... ,35,55mm Inch size available. Hole Saw Lock Installation Kit 54mm And 22mm Bits SPECIFICATIONS 22mm auger bit 54mm hole ...