Woodhaven 5302 5-1/2" Plate Kit Includes a centering pin and a 1-1/4" vacuum hookup to keep things clean. Bits need to be at least 2-1/2" long to work with this Plate Kit. Contains a plate that rides against the track and a router plate that mounts on top of it. Router plate is pre-drilled for the plungs base of the Bosch 1617-18, DeWalt 616-618 and PC 690, 892 & 7539. Optional 5300PD Drill Style Router Plate is available (drilling extra) if you have a different router. Lifetime guarantee against defects in material or workmanship. Made in the USA!