Holmenkol Crossfile Mini 

"The Crossfile Mini from Holmenkol is the ideal tool for all skiers and snowboarders who value perfectly prepared edges. This coarse professional file is specially designed for pre-grinding ski and snowboard edges and ensures that your equipment is always in top condition. Thanks to its robust workmanship and handy design, the file is easy to handle and enables precise work, even under demanding conditions. Whether on the piste or in deep snow, with the Crossfile Mini you are perfectly equipped to optimally maintain your edges and get the best out of your winter sports experience."