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 cordless drill. Included dust shield helps eliminate flying dust and debris. Quickest, most affordable way to cut perfect holes inceiling 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 materials and still stay sharp. Stabilizer spring balances cutting forces and offers more control of the tool when drilling drywall. Dedicated arbor and pilotdrill eliminates changeover time. Fits a 3/8 IN drill chuckand can be used with a cordless drill. Included dust shield helps eliminate flying dust and debris.