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 head. 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.