Metabo Convertible Dust Shroud for Metabo W8, W11, WE-14, W21-230, W23-180, W23-230, and W25-230 Angle Grinders (7-inch) Protect against silica dust exposure The 5-inch shroud allows for the use of 4", 4.5" and 5" diamond cup wheels and fits W8, W11, and WE-14 series compact angle grinders The 7-inch shroud fits Metabo's large angle grinders, such as the W21-230, W23-180, W23-230, and W25-230 Virgin polyurethane construction ensures that the shroud remains pliable in all temperatures, allowing them to retain their shape and not warp Molded vacuum ports for each shroud allow vacuum connections of 2.5" internally or 2.75" externally. (A punched relief hole prevents vacuum lock.