The Ariens Company 51519500 Lawn Mower Spindle Assembly Kit helps support blade rotation on compatible 34-inch and 50-inch mower decks. The spindle assembly provides the mounting point for the mower blade and works with the deck's drive system to maintain proper blade movement during cutting. This kit includes screws for installation and is a practical replacement for worn or damaged ... https://www.wholetoolbox.com/ariens-company-51519500-lawn-mower-spindle-assembly-kit-w-screws-for-34-50-deck/51519500.html