Compass Cutter Olfa CMP-1
Special, compass (circular) cutter Olfa CMP-1 for leather and other materials, allowing you to cut holes with a diameter of 1.0 to 15 cm (0.4" - 5.9"). There is a scale with a graduation of 5 mm on the movable rod. Replaces a variety of punches of various diameters.
Cutter includes 5pcs COB-1 blades. The replacement blade you can buy here.