This base plate is pre drilled to fit the Dewalt DWP611 Compact Router, Dewalt DCW600 or the Porter Cable 450 Compact Router. It measures 5" x 7.5". The center hole is 1.75" in diameter. It comes with the handles attached. You can see all the details on our YouTube video # 92.
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.