This base plate is pre drilled to fit the Craftsman brushless RP V20 compact cordless router model number CMCW400.  Also fits the Ridgid R2401 compact router. It measures 5" x 7.5". The center hole is 1.75" in diameter. It comes with the handles attached. Our base plates are designed specifically for freehand carving wood signs. In most cases they are not made to work with factory made dust extraction ports.