Southwire 2 1 2 in Carbide Tipped Non Arbored Hole Saw LED Panel Lights Rain Delay Rain Delay Cuts metal 1 8 in Type Hole saw Blade Material Carbide tipped Set Individual Individual Adjustable Yes Hole Saw Diameter 2 1 2 in Arbored Non Arbored Non arbored Package Quantity 1 For Use on Drywall Yes For Use on Fiberglass No For Use on Granite No For Use on Metal No For Use on Mineral Fiber No For Use on PVC No For Use on Tile No For Use on Wood Yes CA Residents: Prop 65 Warning(s) No UNSPSC 27112800 to 7 Ft Black oxide blades cut cleanly through drywall and ceiling tiles Hex key adjustment allows for easy of blade Disc shaped mandrel balances blades for stable and clean cuts