Spyder 9-Piece 1-in Carbide-Tipped Non-Arbored Hole Saw Kit SetRapid core eject system 5x faster Tungsten carbide tipped blades allow for up to 50x more cuts Cuts through metal Kit contains: 1 in, 1 1 8 in, 1 3 8 in, 1 1 2 in, 2 in hole saws, 3 8 in arbor and pilot, 1 2 in arbor and pilot 10x faster when compared to conventional hole saws Cutting depth of 2 3 8 in For use on nail embedded wood, plastic, PVC, all metal, stainless steel and cement fiber board Features Brand Model Compatibility Universal Type Hole