High quality material. This compact trimmer is made of ABS and zinc alloy. The metal blade is sharp enough to ensure precise cutting for a clean appearance. 3 in 1 corner hole punch. Three corner patterns in one tool. Curves the corners of your pages with three different shapes: small curve (4 mm), intermediate curve (7 mm) and large curve (10 mm). Easy to use. Select the desired material and insert it into the slot. Simply slide the corner of your paper until it is securely attached to the guides and push the handle down. Wide application. Perfect for plain paper, EVA foam, film, construction paper, perfect cardboard cutouts, scrapbook paper, parchment paper and more. Compact design. Our punch with rounded corners has a minimalist and compact design, easy to carry. It will find its place in any office, kitchen or workshop.