EZ-Edge Corner Planes make quick work of edge relief without changing bits in your router or plugging anything in. Just a few quick strokes with one of the four planes and you have either 1/8”, 3/16”, or 1/4” radius or a 45° chamfer. The vee-shaped sole of the EZ-Edge is a perfect 90°. When you rest it pan the corner of your stock it centers the cutter right on the edge. The thumbwheel adjustment for the depth of cut falls conveniently under your thumb, just dial it in and watch the whisper thin