This is a mobile punch compatible with three sizes of system notebooks: Bible size, mini size, and A5 size. By sliding the inner moving body, it can accommodate all three system notebook sizes. - Color: Black - Size: 63mm x 189mm - Adjustable hole positions: 19mm, 38mm, 51mm, 70mm - Hole size: 5.5mm Used a few times. Please be aware of this. Also, since this is an overseas product, please refrain from purchasing if you are concerned.