The Makita Grass Shear Blade Cover (413885-9) is for use the 18V LXT® Lithium Ion 4 5/16" Grass Shear (XMU05). The Grass Shear Blade Cover protects blades when transporting or storing the Grass Shear. It also can help prevent accidental cuts and scrapes during transport. Made of quality materials for long life. It features quick and easy installation.