Complete Edge Care Kit - Everything you need to professionally sharpen ski and snowboard edges. Side and base edge bevel multi tool (does all angles) and includes a metal file with three DMT diamond stones and a deburring gummi stone; This one tool is all you need to sharpen and bevel your edges for both the base and side edges. Dial a precise angle from 0 degree to 5 degrees in 0.5 degrees Does increments. Every angle imaginable! ;One Gumi or Gummi Stone for prepping an edge, deburring as the final step in edge sharpening, or detuning. You can use this tool to find them - its easy!