The Toro 20.5 Inch OEM 140 4855 Recycler Mower Deck Blade boasts high-quality cutting performance and exceptional durability. It features specialized "accelerator" wings that effectively push grass clippings back into the ground, resulting in a healthier lawn. This Mower Deck Blade was made to OEM Specifications to fit Toro Grandstand and ZMaster with a 60 in. Deck (Excluding the 2000 series). Please refer to the Model Fit Chart below to ensure the correct fit. Below are some continued references by this Mower Blade. NOTE: Due to Serial Number brake that could overlap Models, The Toro 140-4855 does require the Shaft/Blade Arbor Assembly to have a Hex Insert. Refer to the image above for an accurate Comparision. If you have an External Octogen or Round Flat shaft refer to part number 105-7777-03. Toro Recycler or Mulching blades do require the use of a recycler kit in order to function at their full capability. For other Additional references click on the Part Number Below. COMPATIBLE BLADE REFERENCES 140-4854 - Low Lift Blade 140-4853 - Medium Lift Blade 140-1240 - Hi Flo Blade 140-1241 - Atomic Blade COMPATIBLE RECYCLER KIT 136-6655 - Granstand and Z Master 3000, 4000, 5000, and 6000 series (Side Discharge). 140-8017 - Z Master 7000 series (Side Discharge). COMPATIBLE PART REFERENCES 137-9780 Spindle Assembly (Click on part number to view associated parts) 109-9220 Blade Bolt Specification Product Number: 1404855 Brand: Toro Length: 20.000 IN (50.800 CM) Width: 2.500 IN (6.350 CM) Height: 0.500 IN (1.270 CM) Weight: 2.687 LB (1.219 KG) Model Fit: 72950, 72958, 72946, 72969, 72936, 72915, 72930, 72951, 72926, 72960, 72967, 72267, 72513, 72523, 31985, 72911, 72910, 72965, 72509, 74004, 74054, 74035, 74055, 74015, 72980, 74020, 72524, 72027, 72510, 72514, 72520, 74057, 72512, 72953, 72924, 72957, 72976