The Husqvarna 532199791 Lawn Mower 5" Pulley Mandrel ensures efficient power transfer from the engine to the cutting blades for consistent mowing performance. This pulley mandrel assembly mounts to the mower deck and works by rotating the spindle shaft as the drive belt turns the pulley, enabling smooth and controlled blade operation. Its 5-inch pulley size is designed to maintain pro... https://www.wholetoolbox.com/husqvarna-532199791-lawn-mower-5-pulley-mandrel