Disston E0104578 1-1/4-Inch RemGrit Carbide Grit Arbored Hole Saws 32mm The product is 1-1/4" 1PC Hole Saw Easy to use The product is manufactured in China Cuts extremely hard abrasive materials Cutting edge of tungsten carbide particles bonded to alloy steel back High heat and abrasion resistance, no teeth to dull or chip, resists snagging and smooth cutting