The We R Memory Keepers three-way corner punch is ideal for photos, stationery, invitations and other craft projects. It cuts 4mm, 7mm, and 10mm corner radiuses. The punch has each corner measurement silkscreened on the top to easily choose which one to use. With a compact and sturdy design, it punches clean corners every time for consistent quality. The punch measures 2-1/2x3x1-1/4 inches.