Bench Dog 40-002 ProLift Ni 3.5-Inch Adapter
This 4.2-inch to 3.50-inch motor adapter for the ProLift Ni router adjustment system enables round router motors that are 3.50-inch in diameter to be used with ProLift Ni. The adapter is compatible with Porter Cable 690 series, Bosch 1617/18 series, DeWalt 610, and other products.