Luomorgo 64mm/2-1/2 inch Hole Saw, 1 1/4 inch Cutting Depth HSS Bi-Metal Hole Cutter for Wood Cornhole Boards Plastic Drywall & Metal Sheet 2-1/2" / 64mm Blue Size:2-1/2" / 64mm sides of bristles act as

sides of bristles act as flexible files to all kinds of holes

7 Mainboard 3D Printers)

Includes ten pieces of 100-grit sandpaper

which also improves a lot on the heat dissipation

Luomorgo 64mm/2-1/2 inch Hole Saw, 1 1/4 inch Cutting Depth HSS Bi-Metal Hole Cutter for Wood Cornhole Boards Plastic Drywall & Metal Sheet 2-1/2" / 64mm Blue Size:2-1/2" / 64mm sides of bristles act asLuomorgo 64mm 2 1 2 inch Hole Saw, 1 1 4 inch Cutting Depth HSS Bi Metal Hole Cutter for Wood Cornhole Boards Plastic Drywall & Metal Sheet Product Features High Performance Materials: 2 1 2 Inch Hole Saw made of M42 high speed steel and BI metal, with higher hardness (65HRC), higher toughness, higher cutting strength and stronger wear resistance. Efficient & Smooth Cutting: High quality bi metal band and the best cutting performance of HSS teeth