Replacement Part Numbers:110-6837-03 Toothed Mulching Blades Specifically Designed compatible with Toro Timecutter Z 5000 Series 50 Inch Decks .Part No. 110-6837-03、112-9759-03、112-9759、115-5059-03、115-5059、350-223 .Please verify your part number before your order. Compatibility:110-6837-03 Mulching blades are compatible with 50" Toro TimeCutter Z Series: Z5000, Z5020, Z5030, Z5035 Z5060,compatible with 50" Toro TimeCutter MX5060, MX5025, MX3450, MX5075, MX5050, MX5000, SS5000, SS5060, SS5035, SW5000, SWX5000, SWX5050,compatible with 50" Lawnboy 81271 Enhanced Efficiency:Precision meets performance with our meticulously crafted blades measuring Length 17-1/2", Width 2-1/4", Thickness 0.16", Center Hole Diameter 5/8",The 5/8 inch round center hole ensures a secure and efficient fit every time,rest assured, 3 pack for 50 inch cutting decks will fit your mower seamlessly and deliver exceptional cutting performance Quality and Durability:115-5059 110-6837-03 Mulching blade set made of carbon steel, it has quality sharp teeth that can clearly cut through obstacles and roots. The mulching blades cut grass clippings into finer pieces, which helps prevent less grass from sticking to the deck. Streamline your lawn maintenance routine, reduce the need for frequent blade maintenance, and enjoy a time-saving mowing experience Installation Steps for 110 - 6837 - 03 Mulching Blades:1.Loosen the drive belt using the right tool for your mower. Then, carefully take off the mower deck.2.Old Blade Removal:Select the appropriate socket wrench to unscrew the bolts holding the old blades. Remove the blades with care due to their weight.3.Align the new 110 - 6837 - 03 Mulching Blades with the spindle holes. Place the blade in position and thread the bolts. Tighten the bolts diagonally for a secure fit. 3 Replacement cover blades Replaces the following Part Number: 112-9759-03 110-6837-03 3 50" Cutting Blade Model Z5000 Z5020 Z5030 Z5060 Z5035 74370 74375 Fits multiple centre holes: 5/8" Width: 2-1/2" Length: 17-1/2" Thickness: 197" Replacement for Toro timecutter 112-9759-03 ss5000, mx5060, ss5060, 75759, 75755, 75753, 74632 (pack of 3) Unlock the power of mulching with our toothed mulching blades that are custom-fit for Toro Timecutter Z 5000 Series 50 Deck. Achieve a professional mulching finish that promotes a healthier lawn Simple installation: simply remove the mower deck, turn it over, remove the old blades, clean the deck, and install the new blades! Enhance Your Mowing Efficiency with Showingo Lawn Mower Blades - Ideal for Mulching and Prolonging Grass Health 110-6837-03 Lawn Mower Blades Set of 3 Compatible with Toroo Timecutter 50 inch Deck Mower Mulching Blades Parts for 115-5059-03 112-9759-03 81271 Z5000 Models 74370 74372 74373 74374 SS5000