CUTS ROUND HOLES FROM 2 1/2" 7" IN DRYWALL & CEILING TILE WITH NO MESS WHEN USING THE CLEAR FLEXIBLE DUST SHIELDFITS A 3/8" & 1/2" DRILL CHUCK & CAN BE USED WITH CORDLESS DRILLSSELF-SHARPENING CARBIDE-COATED CUTTING BLADES FOR LONG LIFEDRILL NOT INCLUDEDUPC : 647486100277Shipping Dimensions : 4.00in X 10.50in X 9.50inEstimated Shipping Weight : 2.4036