C-Pioneer 1PC R5 Paper Corner Rounder Punch Photo Cutter Tool Craft Scrapbooking-5mm Material: Stainless Steel & Plastic Fillet radius after cutting: 5mm(0.20")/10mm (0.39") Fan shape, simple and practical, easy to operate Using this tool, you can put the photos of 4 right angle turns round corner Suitable for cutting paper, photos, business cards, etc