The Bluebird 540010161 Aerator Wheel provides stable movement and support for compatible lawn aerators during operation. This replacement wheel is designed to mount onto the aerator frame, allowing the machine to roll smoothly across the lawn while positioning the equipment correctly for aerating tasks. It works by supporting the unit's weight and enabling controlled movement as the a... https://www.wholetoolbox.com/bluebird-540010161-aerator-wheel/540010161.html