Bosch Hole Saw HMD250 2 1 2 Inch Daredevil Carbide Tipped Multipurpose Cutter (1 1 2 Deep Cut Multi Material Masonry Tile Wood Aluminum Structural Securement) Raised Panel Bit High Visibility Markings: Permanent laser etched size High Visibility Markings: Permanent laser etched size labels ensure quick and easy identification even after years of heavy use Dust Control Holes: Integrated into the steel body to support cleaner jobsite conditions this robust multipurpose cutter optimizes subcontractor project turnaround timelines during pipe pass through installations Extended Deep Cup Capacity: Robust 1 1 2 inch internal clearance path enables quick single pass cuts through layered construction lumber