70mm BI-Metal Hole Saw, Ceiling Lights Hole Cut, Cutting Circular Holes for Wood, Plastic, Drywall, Plywood, Thin Metal, Cornhole Boards Drilling and Other Household Projects by Amazon.co.uk

• ◙CONSTRUCTION GRADE -- Corn hole drilling cutter is made of heat treated carbon steel alloy & bi-metal steel. High strength and hardness, design for increased durability and outstanding cutting performance.

• ◙SPECIAL STRUCTURE -- No binding clean edge design which cuts smooth and fast through wood, drywall, plastic and thin metal.more than that,the spring on the drill bit is nice because it automatically pushes the disc out of the saw immediately after completing the hole.

• ◙HIGH PRECISION -- Upgraded design with ultra sharp serrations for faster and cleaner cutting, which is ideal for soft wood, plastic plate, plater board and thin PVC board..

• ◙PROJECT TOOL -- Built tough for repeat use and handy for working on corn hole boards, air ducts, ceiling lights, speakers and more.

• ◙Cuts faster, smoother without as much vibration as the others due to its variable pitch teeth; Creates holes for pipe and tubing installations, door lock installations, electrical conduit, hoses and antennas.Note: Arbor is included.