Given their quality and performance, it’s easy to demand a lot from your FELCO tools. However, even these high-quality tools can lose their cutting edge if not maintained. The FELCO 903 is a lightweight multi-function sharpening stone in diamond-coated hardened steel which professional users swear by for its performance. It is indispensable for sharpening, deburring and hardening your blades of pruning shears, loppers and cable cutters. It is guaranteed to restore a world-class cutting edge to tools that you have probably taken for granted for far too long.