Sharpener for ice screws

摘要

The sharpener (10) has a fixed sharpening support (11) that is equipped with a file (12) in the form of an elongate blade. A positioning slide (13) of the ice screw (14) is arranged at predefined angles with respect to the file. The slide is able to move in translation across two opposite surfaces of the file. A guiding and stopping unit of bit is arranged in the slide.