Replacement Gear Box for Stihl FS91R, FS120, FS20, FS220, FS400, FS450 Trimmer Head

This weeder head features an aluminum alloy body for sturdy, corrosion-resistant construction and stable performance. Lightweight, easy to install, it is equipped with weeding blades and cutting heads interchangeable and flexible, making them a great alternative to trimmer gear housings. Featuring 10 teeth, a 25.4mm diameter shaft and a square connection hole, it fits most trimmers with straight shaft. It comes with a gear housing and mounting bolt. Compatible with STIHL models FS-KM, FS75, FS80, FS80R, FS85, FS85R, FS85T, FS85RX, FS91, FS91R, FS110, FS110R, FS111, FS111R, FS120, FS120R, FS130, FS130R, FS131, FS131R, FS2000, FS200R, FS230, FR230, FS235, FR235, FS240, FS240R, FS240C, FS260, FS260R, FS260R, FS260RC, FR410