Sharpening device for steel ski edge strips

A sharpening device particularly for sharpening steel edge strips on skis and comprising a generally U-shaped holder for a generally straight blade with one longitudinal edge projecting from the holder and clamping means for securing the file blade to the inside of a first U-shank, the latter having a guide flange depending substantially at right angles therefrom, the improvement being the provision of two spaced supports for the file blade, at the inside of said first U-shank, said clamping means being a clamping screw received by a second U-shank and being located between said supports to cause upon actuation the bending of the file blade into a convex shape abutting said first U-shank between said supports.