The Bosch 18DC-5E Dust-Extraction Guard works with the Bosch 4-1/2 In. and 5 In. small angle grinders. The guard and grinder can be part of the end-to-end Bosch PRO+GUARD™ Protection System, along with attachments, dust extractor and respiration protection (to be used as a basic summary; always use products in accordance with the ownerʼs manual and OSHA Rule 1926.1153 Table 1). The dust guard has a single-screw depth adjustment to adjust it to the desired depth of cut. The guard is compatible with 4-1/2 In. and 5 In. small angle grinders: GWS10-45/P/PD, GWS18 V-45C/PC/PSC, GWS13-50/VS/VSP/P/PD, AG series and 1800 series grinders.