The FSA 110 R features the innovative Rapid Click System that allows users to change trimming heads at the click of a button, making this professional model ideal for a diverse range of jobs. It comes with the Advanced EasySpool™ trimming head with rapid line replacement technology that helps users respool the trimmer head with a simple twisting action that reduces downtime and the pains of respooling. While this unit comes standard with the AutoCut® C 12-2 trimmer head, it is also compatible with the optional STIHL PolyCut™ 12-2 trimmer head. The 16” cutting width and long run times provide powerful performance for taking on tough jobs. The FSA 110 R is optimized for user comfort with an exceptional balanced design along with a toolless adjustable loop handle. View Our Usage Chart Cutting Heads & Blades Selection Chart (PDF) Read More