Rotary File and Rasp Set, Rotary Tool Accessory Type Rotary File; Rotary Rasp, Bit Material Alloy Steel, Shape Bullet, Cone, Cylinder, Max. Speed 2,500 RPM, Shank Diameter 1/4 in, Mount Type Mounted, Overall Length 2 in, Burr Diameter 1/2 in, 5/8 in,...