Amazon.com Get precise performance and keep your work area clear with the DeWalt DW6913 router edge guide. Designed to work with all DeWalt routers and to attach to standard 1-1/4-inch, 1-3/8-inch, and 1-1/2-inch shop vac hoses, this straight edge guide offers a parallel fence that can be adjusted precisely using a fine, easy-to-read adjuster for precision set-up. From the Manufacturer Dewalt DW6913 Router Edge Guide with Fine Adjustment and Vacuum Adaptor