A set of brand new adjustable metal wood circle hole cutter, can be used to cut many kinds of materials, such as Plywood, Hardwood, Laminates, Composite, Rubber, Plastic, etc. Material: Alloy Steel Adjustable Capacity 30mm - 120mm Multi-functions Having adjustable two sharp blades on both side of the measure-bars. Adjustable Plane type design. 2 Changeable Centre bits for thinner or thicker materials freely. Set of Cutter + Blades + Centre Drills