Greenlee® 645-1-1/8 Kwik Change™ 645 Quick Change Hole Cutter, 1-1/8 in Dia, 3/8 in Carbide Bit

When every second counts, you don't want to waste minutes changing cutter sizes. So we made it a whole lot faster and easier. Our Kwik Change™ stainless steel hole cutters lock or release instantly with a simple push and turn. No tools. No loose nuts. Just pure, productivity boosting simplicity in 22 hole sizes up to 3 in diameter.