TMG-TFM60/68/72-62 Y-Blade, Pack of 32, Hardware Included, Works with TMG-TFMS50/60/72-52TMG TFM60 68 72 62 or TMG TFMS50 60 72 52 Y Blade, sold 32 pieces in one pack. TFMS50 60 72 requires 40 48 64 Y Blades (20 24 32 sets). TFM60 68 72 requires 48 56 64 Y Blades (24 28 32 sets). Note: One set contains 2 blades, 1 bolt, 1 nut and 2 spacers(as shown in the picture), 16 sets in a box. The TFM60 68 72 and TFMS50 60 72 series flail mowers sold in the main store are equipped with Hammer T blades. Y blades are available as an aftermarket