The Edger Comp edge sharpener from Swix is a side edge and base edge sharpener all-in-one tool. Compact and comfortable, for skis and snwoboardsthe large surface area give you a stable grip for a consistent edge. Swix Edger Comp base and edge sharpener The Swix Edger Comp base and edge sharpener. This Side and Base edge sharpener is many tools in one. It is compact but yet comfortable and easy to hold and use. You can side-edge from 90 to 85 degrees and base-edge 0.5 to 1 degrees. Includes a 40mm file. (1.5inch)