Lenox LXAH42141 Hole Saws; Hole Saw Compatibility: Power Drills ; Saw Diameter (Inch): 2-1/4 ; Saw Material: Carbide-Tipped ; Cutting Depth (Decimal Inch): 2.4500 ; Cutting Edge Style: Toothed ; Material Application: Nail-Embedded Wood; Concrete; Bri