Aluminum Universal Router Plate with Replacement Screws and Plastic Insert Rings 6-1/2" x 1/4" thick aluminum plate with 2 easy to snap insert rings Snap-in Rings are interchangeable for easy transitions between multiple router applications Will fit Porter Cable - 100, 690, 890, 7529, 8529 series DeWalt - DW625, DW616, DW18 series; Makita - 1100 series; Hitachi- MV12VC series Bosch- 1617, 1618, 1619, and 1619 EVS routers