BrushCut (3 Blade) metal brush knife. Made of special steel. Ideal for thinning and clearing tough, matted grass and scrub. Also the pruning of thorn hedges. For use with universal protection BrushCut 250 mm (3 Blade) metal brush knife is compatible with: FS 91 FS 111 FS 131 FS 240 C-E FSA 135 / R FSA 200 / R FR 131 T FR 460 TC-EFM BrushCut 300 mm (3 Blade) metal brush knife is comptaible with: FS 361 C-EM FS 411 C-EM FS 461 C-EM / L FS 491 C-EM FSA 400 BrushCut 350 mm (3 Blade) & (Special) metal brush knife is compatible with: FS 561 C-EM