You can use this paper hole punch to punch clean 1/4inch round holes. It is recommended that the thickness of the punch material should not exceed: 0.04in/1.0mm for hard card material, 0.06 inches for paper material /1.5mm, PVC material is 0.06inch/1.5mm. Up to 15-20 sheets of A4 paper can be printed at one time. This heavy duty hole punch super long reach paper input depth up to 53mm can punch holes on business cards or 6 inch photos. Paper feed depth: 53 mm (the distance from the middle of the hole to the edge of the paper). Traditional hole punches can only punch within 10mm of the edge. Our hole punch is made of zinc alloy, stamped structure and chrome-plated , making it bright and beautiful, with a refined appearance. Punching punches are heat treated and hardened to make them more for long-term use and burr-free punching. Our PVC Card Hole Punch is equipped with spring and collection slot for your convenience, preventing confetti from flying, easy to clean up after punching, and 't mess up your desk and floor. The overall size is approximately 5.90 x 3.35 x 0.98 inches, making it easy to carry, you can use this easy-to-use label punch anywhere. Our hole punches are functional and decorative for paper, cards, foil, cardboard, photos, business cards, PVC food packaging, bank cards, , , tickets, labels and badge covers, etc. Good helper in our life. type:6mm Colour:silver Material:Zinc alloy Size:150 x 85mm Package Contents: 1 x hole punch Only the above package content, other products are not included. Note: Light 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.