LENOX 4 1 2 in Bi Metal Arbored Hole Saw Compact Tool Bags Cottage Finish Protection 7 Layer Aluminum Cottage Finish Protection 7 Layer Aluminum Oxide Installation Conditions 65°F 75°F staining and fading Brand Model Compatibility Universal Type Hole saw Blade Material Bi metal Case Type N A (no case) Set Individual Individual Adjustable No Hole Saw Diameter 4 1 2 in Arbored Non Arbored Arbored Package Quantity 1 For Use on Drywall Yes For Use on Fiberglass No For Use on Granite No For Use on Metal Yes For Use on Mineral Fiber No For Use on PVC Yes For Use on Tile No For Use on Wood Yes CA Residents: Prop 65 Warning(s) Yes Warranty None 114mm Speed slot features a staircase design for easy plug removal Non binding coating for faster cut 10% Taller than prior generation for deeper cut T2 technology for up to 2 times the life