Punch Hole: Applies to cards up to 0.08 in thick.Recommended that the thickness of the material to be punch does not exceed: Hard card material 0.04 in/1.0 MM,Paper material 0.098 in/2.5 MM. PVC card material 0.06 in/1.5 MM. A maximum of 25 A4 sheets can be punch at a time Punching Depth & Scale Design: This heavy duty single hole punch ultra-long-distance paper input depth is up to 50 MM, it can be punched anywhere on a business card or a photo. Design with scale, you can clearly see where you want to punch the hole, so you can easily and quickly fix the punch position Heavy Duty Hole Punch Single: Our hole punches are made of quality Metal material, stamping type structure design Easily punched paper or PVC card materials. You can use this paper hole punch to punch a clean 1/4 in round hole Widely Applicable: The hole puncher comes with functional and decorative purposes; Be suitable for paper, card, cardboard,business card,PVC bank card. Suitable for office, photo studios, handmade, etc 1 Hole Punch: The overall size is about 7.09x4.41x0.15 inches,the size fits you in your hand and is easy to carry, this hole puncher is designed to handle various paper sizes effortlessly. You can use this easy-to-use tab punch anywhere