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 serve you compatible with a long time3 in 1 design: our paper corner rounder feature 3 in 1 design, can cut 3 sizes of corner radiuses, namely approx. 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 craftsSingle hole punch characteristics: the hole diameter of the single hole punch is about 6 mm/ 0.24 inch, and the feeding depth is approx. 12 mm/ 0.47 inch, with smooth edges, suitable supply compatible with youWide application: these useful tools are suitable compatible with DIY projects, such as paper cutting, photos, scrapbooking, business cards or gift cards, and the 3 in 1 corner cutter is perfect compatible with 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 holescolor: blueMaterial: Plastic + MetalPackage Contents:1 piece of 3 in 1 corner cutter1 piece of single hole punchOnly the above package content, other products are not included.Note: Light shooting 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.