Clearing weeds in decorative gardens and flower beds requires careful attention and a good line of sight. This high-visibility deflector provides a clear view of the trimming area while still offering protection from flying debris. For use with nylon line trimming heads. See your STIHL Dealer for details. This 420 mm deflector fits the following FS models: FS 55 R, 55 RT, 55, 80 R, 80, 83 R, 83 RT, 83, 85 R, 85 RT, 85 RX, 85, 110 RX, 110 R, 110, 120 R, 120, 130 R, 130, 200 R, 200, 250 R, 250, 310, 350, 450 K.