I accidentally bought this, so I'm selling it. It has been opened, so I'm listing it as "Like New." Price: 1,000 yen per unit (+ consumption tax) Dimensions: 96mm x 59mm x 64mm Materials: Metal parts / SPCC, Plastic parts / Polypropylene Product Features: Easy to punch holes with one hand! The dust cover opens, making it easy to dispose of paper scraps. How to Punch Holes: For the first hole, insert the paper all the way in and align the edge of the paper with the paper guide corresponding to the paper size, then punch the hole. For subsequent holes, insert the second and third holes from the right edge of the punched holes into the hole guide, and punch holes according to the paper size. Number of Holes to Punch for Each Paper Size: A4・30 holes and B5 (Semi-B5)・26 holes: 5 times. A5・20 holes: 4 times. How to Lock: 1. Lower the handle all the way down. 2. Push in the stopper. 3. Release the handle to lock. How to Unlock: Lower the handle further from the locked state to unlock. Can be stored compactly when not in use.