The Wintersteiger Base Edge File Guide – Adjustableis simple to use. It fits securely on your skis and holds your favorite files or stones in place as you tune your base edges. This convenient tuning tool can be adjusted to a 0.5 and 1 bevel, allowing you to choose and alter your base edge angle.

Base edge file guide for ski tuning
Adjusts from 0.5 to 1.5
Customize your edges with this durable tuner
Compatible with diamond stones, files and regular stones