Blue Boar Carbide Grit Hole Saw 4-3/8” dia for 4 inch can lights
Milwaukee 49-56-0207 3-7/8 in. Hole Dozer Bi-Metal Hole Saw
Amazon.com: 6-3/8 Inch Hole Saw with Heavy Duty Arbor, 6 3/8”Recessed Lighting Hole Saw with 1-1/2 Inch Cutting Depth, Bi-Metal Hole Cutter for Smoothly Cutting Ceiling Tile Drywall Plywood Plaster Metal Plastic :