A handy tool that fits - you guessed it - in your pocket with ease, the SWIX Pocket Edger includes an Icecut® 40mm Panzer file and a plastic guide designed to tune side edges to either 88˚ or 89˚ (change the position of the file in the guide to switch) and base edges to either .5˚ or 1˚. Check out our Factory Edge Bevel guide as a reference: https://www.evo.com/guides/ski-edge-bevel (Note: A 2˚ side edge bevel = 88˚)