The Bluebird 539106754 Dethatcher Shaft Guard is a protective cover designed for use on compatible dethatching equipment. This shaft guard functions by enclosing the rotating shaft, helping shield it from debris, grass buildup, and accidental contact while the machine is running. Its design supports smooth rotation by reducing the risk of obstruction and minimizing exposure to externa... https://www.wholetoolbox.com/bluebird-539106754-dethatcher-shaft-guard