Spyder 1-1/8-in Carbide-Tipped Non-Arbored Hole Saw

Up to 50x more cuts than bi-metal. Up to 10x faster than standard hole saws. More teeth to aggressively cut faster. Cuts through metal. Specifically designed to aggressively cut through steel, stainless steel, cast iron, plastic and wood with nails. Drop out the core with a push of a button. Cut at an angle. Enlarge existing holes.