Quickest, most affordable way to cut perfect holes in ceiling tile. Cuts clean, precise holes that ensure no light leakage or poor-fitting. Installations. Self-sharpening, carbide-sprayed cutting tips can cut dozens of holes. in very abrasive materialsand still stay sharp. Stabilizer spring balancescutting forces and offers more control of the tool when drilling drywall. Dedicated arbor and pilot drill eliminates changeover time. Fits a 3/8 IN drill chuck and can be used with a