Simple Hole Size Design: The round hole measures approximately 8 mm in diameter. Considerate Design: The adjustable scale design allows you to fix the hole's position. No need for measuring; punch accurately. The chamfered knife edge ensures quick penetration through paper or cards, resulting in a smooth hole cut. A heavy and highly flexible spring is built-in, saving you energy when punching. Punching Depth: Our heavy-duty paper punch can handle up to 20 sheets of paper at once. It's suitable for bound paper, thick cards, PVC sheets, plastic sheets, etc., but not for metal sheets. Ergonomic Design: Our handheld hole punch is easy to hold and use, allowing you to punch effortlessly and quickly, even through thick cardstock. Multi-Purposes: Our handheld hole punch is ideal for paper, kraft paper, cardstock, business cards, photographs, aluminum foil, scrapbooking, tickets, product tags, PVC sheets, and more. Perfect for shops, studios, etc. It also makes a thoughtful gift for family or friends.