The Bosch 18CG-45E Type 1 Wheel Guard covers 180 degrees of the grinding disk. It features a tool-free design for easy use. This guard has a burst-wheel-proof design, and it is built to catch wheel fragments. It is compatible with 1800, AG, and GWS series 4-1/2 In. small angle grinders (excluding GWS8-45 and GWS9-45).
18CG-45E Bosch 4-1/2'' Cut Off Guard Features