Heavy Duty : The punch structure is designed to punch paper or PVC material. You can use this paper hole punch to punch a clean round hole. It is recommended that the thickness of the punch material should not : PVC material 0.06in/1.5MM, paper material 0.098in/2.5MM, leather material 0.078in/2.0 MM, up to 15-20 sheets of A4 paper can be at one time. Hole Punch: The center of the hole is exactly 1 Inch /25mm from the edge. With an overall size of about 5.10 x 3.54 x 0.78 inches, it fits in your hand and is easy to carry, you can use this easy-to-operate - with a hole punch - to punch holes anywhere. Fixed hole position: You can clearly see the position to be punched. The design with scale can adjust the position of the hole, which is convenient to fix, convenient and fast. Hole Punch: hole punch is made of zinc alloy with chrome finish to bright and beautiful. Punching punches are heat treated and hardened, making more durable and burr- when punching. Strong practicability: can be used for paper, cardboard, photos, business cards, ID cards, bank cards, membership cards, tickets, hang tags, badges, PVC packaging hard plastic bags, etc. Oblique mouth: 6mm Material: Metal colour: black Package Contents: 1 x punch