Material: the paper corner rounder is made of ABS and alloy material, with accurate rounded corners, and the single hole punch and loose leaf binder rings are made of iron material, sturdy and durable, each one can you for a long time 3 in 1 design: our paper corner rounder feature 3 in 1 design, can cut 3 sizes of corner radiuses, namely . 4 mm/ 0.16 inch, 7 mm/ 0.28 inch and 10 mm/ 0.39 inch, which can be applied to make 3 sizes of paper and scrapbook crafts Single hole punch characteristics: the hole diameter of the single hole punch is about 6 mm/ 0.24 inch, and the feeding depth is . 12 mm/ 0.47 inch, with smooth edges, suitable supply Wide application: these useful tools are suitable for DIY projects, such as paper cutting, photos, scrapbooking, business cards or gift cards, and the 3 in 1 corner cutter is perfect for ordinary paper, foam, aluminum foil, craft paper, and the basic thickness is less than 2 mm; Note: do not use sticky paper to avoid jamming of punching holes color: blue Material: Plastic + Metal Package Contents: 1 piece of 3 in 1 corner cutter 1 piece of single 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.