The Toro 78-6710 Shaft Spindle supports smooth rotation of the mower blade for consistent and effective cutting performance. This replacement spindle shaft connects the blade and related deck components, allowing rotational power to be transferred during operation. Proper spindle movement helps maintain stable blade rotation and dependable mower performance. Replacing a worn or damage... https://www.wholetoolbox.com/toro-78-6710-shaft-spindle/78-6710.html