Holmenkol Ergo easy 

"The Holmenkol Ergo Easy is the ideal tool for anyone who wants to maintain their ski or snowboard edges simply and effectively. With a standard angle of 88u00b0 and 89u00b0, this handy edge grinder is the perfect solution for deburring and sharpening steel edges. Whether skiing or snowboarding, the Ergo Easy ensures precise and sharp edges that can significantly improve the skiing experience."
"Thanks to its practical pocket size, the Holmenkol Ergo Easy is the perfect companion for on the go. So you can sharpen your edges anytime and anywhere and ensure that your equipment is always in top condition. The high-quality 40 mm file included in the scope of delivery guarantees a long service life and excellent sanding results"
"The Ergo Easy is unisex and is suitable for anyone who values well-maintained winter sportsequipment. Whether you are an experienced professional or an enthusiastic hobby skier, with this tool you always have control over your edges. Put your trust in the quality and know-how of Holmenkol, a leading manufacturer of winter sports accessories."