Eyelet opening for cutting round holes.
Compared to punching, it has a greater freedom of selection for laces, and is compatible with soft laces and thick laces.
Size: No. 5 (φ0.06 inch (1.5 mm)); Hole Pitch: 0.2 inch (
Caution: Sharp tip, handle with care. Keep out of reach of children.
(From Amazon.co.jp)