Spellbinders 3-IN-1 NOTCHED CORNER PUNCH3 in 1 Notched Corner Punch makes three different sizes of notched corners: 0. 25 in. 6. 35 mm, 0. 50 in. 12. 7 mm, and 0. 75 in. 19. 0 mm. The easy to use guides make accurate paper placement foolproof. It is ideal for cardmaking, scrapbooking, gift wrapping and more! Caution: Not suitable for children under 3 years old due to small parts and sharp edges which could present a choking or dangerous hazard. Approximate Size: 2. 4375 x 3. 00 x 1. 375 in.