1. Carry the standard positioning ruler, adjust the size of the paper you need, precise punching position, and easy to use. 2. Firm and sharp, and can easily play round and smooth holes. It is tidy and beautiful. 3. Simple and labor-saving, achieve efficient office. 4. Widely used, it can be used in office, stationery, cards, desk calendar, wall calendar, etc. 5. Punch double hole, and hole size is 6mm. Hole distance is 8cm.
