– Universal protective guard for nylon heads and steel blades to effectively prevent against flying debris for safety of the user or bystander – Made of high-quality plastic, with a protective rubber and steel skirting – Durable, not easy to bend and deform, has a long service life and can be used for a long time. – Easy to install, stable in performance, and easy to use- – Suitable for leaf trimmers, petrol brush cutters and lawn mowers.