Y-blade for mowing grass. Fits FM-54 model. One flail includes: Y-blade,12mm x 50mm bolt, M12 lock nut, 2- washers. Please double check to make sure you are ordering the correct blades for your mower. NOTE: Does NOT fit FM-62/FM-62H, FM-78/FM-78H, FM-88/FM-88H or FM-96/FM-96H
FM-54 requires 18 total blades
Y-Blades are reversible. (both front and back have cutting edge)