Woodpeckers Precision Woodworking Tools AI Router Mounting Plate Blank Aluminum, no hole pattern Strong, stiff and smooth. Made from cast, precision machined aluminum Easy, exact leveling. Getting this plate exactly level is easy thanks to 8 top accessible fine-pitch leveling set screws A pair of adjustable edge plungers enable you to eliminate any slop between the router plate and the plate opening Multiple starting pin locations and 3 Twist-Lock rings and a locking wrench included with each router plate.