Bosch PR012 Dust Collection Kit For PR011 Plunge Base For use with Bosch PR011 Palm Router Plunge Base Attaches with hose port facing front or back of base Connects to 1-1/4-Inch-1-1/2-Inch and Bosch vacuum cleaner hoses Includes: Dust Extraction Hood, VAC002 Vacuum Hose Adapter, (2) Thumbscrews