[MULTI-FUNCTION EDGE TOOL]: Combines sharpening, rust removal, burr cleaning, and polishing in one unit—maintain performance after exposure to rocks, ice, or trees [ADJUSTABLE ANGLE DESIGN]: Customize side and base edge angles with precision—set side for edges to 86°/87°/88°/89° and base for edges to 0.5° or 1° for optimal snow grip and turning control [COMPLETE FILE KIT INCLUDED]: Comes with four diamond files (240/360/500/1000 grit) for full-stage sharpening, deburring, and polishing to achieve a smooth mirror finish on ski or snowboard for edges [COMPATIBLE WITH SKI AND SNOWBOARD for edges]: Fit for general maintenance of metal for edges on skis and snowboards—use with a rubber polishing block for enhanced smoothness and edge longevity [LIGHTWEIGHT AND PORTABLE]: Weighs only 115 grams with compact dimensions of 102×64×51 mm—easy to carry in your gear bag for quick edge touch-ups at home or on the mountain