Perforation size: 15MM x 3MM. Punching 3X15mm oval holes, suitable for document industry. PVC file cover, you can also punch the cell phone grid film and ask the hole of the receiver. Widely used - this slot punch is suitable for ID cards, paper, bank cards/membership cards (below 1 mm), PVC cards (below 1 mm), vouchers, mobile phone films, luggage labels and business cards. Hole punching: it is very suitable for hanging rope holes of documents. The visible blade can check the position of the card before punching, making the operation easier and more convenient. Heavy-duty punching: heavy-duty spring design increases punching strength. It makes it easier and less laborious to punch holes in the product. Adopt zinc alloy chrome-plated metal design to make the product more . Note: Do not play the film with a thickness less than 0.1 mm, it is easy to get stuck on the cutter . Don' films larger than 1.2 mm, it may break if you are too tired. You will receive 2 slot punches. Colour:Silver Material:Metal Package Contents: 2 * hole puncher Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.