The Corner Mounter tool from We R Memory Keepers creates perfect corner slits, ideal for attaching photographs to a page. This tool can create 3 styles of slit (Angle, Round and Stub) in 8 sizes. Features two blades, a magnetic base and transparent stencil for easy placement and perfect alignment. This versatile tool can cut through extra thick cardstock or multiple sheets of paper, and is perfect for photos up to 5x7", business cards, matting and more. Include markings for 2", 3", 4" and 5".