DEWALT DW6913 Router Edge Guide with Fine Adjustment and Vacuum Adaptor Straight guide with fine fence adjuster for precision positioning of the parallel fence Attaches to standard shop vacuum cleaners (1-1/4-inch, 1-3/8-inch and 1-1/2-inch) For use with all DEWALT routers Includes adapter for use with standard 1-1/4, 1-3/8 and 1-1/2-inch shop vacs Backed by a 1-year warranty