BOSCH HB175 1-3/4 in. Bi-Metal Hole Saw
1-3/4", Power Change Bi-Metal Hole Saw, Bi-Metal Cuts Through Wood, Metal, Stainless Steel & Plastics, 1 Mandrel Is All You Need With The Power Change System, A Heavy Duty Hex Shank Provides Easy Change Out Of Any Size Hole Saw, No Pliers Needed, Threadless Design Prevents Seizing In The Mandrel.