Important note: Please kindly confirm your engine's model and part numbers before purchasing to guarantee that you receive the correct part Exact replacement: Replaces 25-2, 4002 710 2108, 4002 710 2191, 4002-710-2108. The 25-2 Head Type: Bump and Feed, the nylon line is automatically adjusted by tapping the cutting head against the ground. For Backpack Brushcutters, Brushcutters, Clearing Saws, Electric Trimmers, Kombi Engines, Kombi Tools Perfect fit: Fits for Stihl FS44, FS55, FS55R, FS56 (2008 On), FS56RC, FS70, FS70R, FS74, FS76, FS80 (1996 On), FS80R, FS83, FS85, FS85R, FS87, FS87R, FS90 (2005 On), Stihl FS90R, FS91, FS91R, FS94, FS94R, FS100, FS100RX, FS110, FS111RX, FS120, FS130, FS130R, FS131, FS131R, FS200 (1997 On), FS240, FS250, FS260R, FS460R (2011 On) Wide compatibility: Fits for Stihl FR85, FR85T, FR106, FR108, FR130T, FR220, FR350, FR410, FR450, FR460, FR480, FSA90R, FSA130R, FSA135, FSA135R, KM55, KM55R, KM56, KM56R, KM85, KM85R, KM90, KM90R, KM94, KM100, KM100R, KM110, KM110R, KM120, KM130, KM130R, KA85, KA85R, KR85, FS-KM Customer satisfaction is our priority. If for any reason you're not completely satisfied, we will compensate you and offer extra benefits to ensure your rights. Buy with confidence! SOLID BUILT & DURABLE TO USE Trimmer Head Kit is made from hard and sturdy metal and impact-resistant plastic that promises great durability while reducing the risk of breaks or cracks, so you do not have to worry about a trimmer head that blows apart. The material combination is optimized for a prolonged lifetime. RUNS SMOOTHLY high-quality and super durable Trimmer Head Kit is best suited for trimming grass, it trims long grass effectively and ensures very smooth running and the best performance for your trimmer. SIMPLE INSTALLATION Our Trimmer Head Kit is very easy to attach, load and use. Unaccustomed users can also install and use themselves.