The Husqvarna 587819801 Mandrel Kit supports smooth blade rotation and dependable cutting performance in compatible mower decks. This replacement kit includes the components needed to service the mandrel assembly, which supports the mower blade and transfers rotational power from the belt-driven system. Its reverse-thread, non-greaseable design is intended for the specified compatible... https://www.wholetoolbox.com/husqvarna-587819801-mandrel-kit-reverse-thread-non-grease-tall/587819801.html