Steel shredding blade for thinning and removing tough scrub and thorny hedges. Must be used with the appropriate shredder guard. Only approved for certain clearing saws. ShredCut 270 mm (2 Blade) shredder blade is compatible with: FS 361 C-EM FS 411 C-EM FS 461 C-EM / L FS 491 C-EM FSA 400 ShredCut 320 mm (2 Blade) shredder blade is compatible with: FS 561 C-EM