The Holmenkol Ergo Semi is fantastic value and the easiest way to sharpen your side edge. Fixed at 89 Degrees (1 Degree) and comes with the Cross Mini File HM20521.
The ideal tool for base-sided bevelling of steel edges on skis and snowboards. Infinitely variable file guide, adjustable from 0.5 to 1.5 degrees. Suitable for files from 20 to 25 mm width and up to 6 mm thick