Porter Cable Sub-Base
The Porter-Cable 42186 is a router sub-base. The Porter-Cable sub-base is the standard replacement for Porter-Cable routers with 5-3/4 inch sub bases. The center hole is 1-1/8 inch in diameter and accepts Porter-Cable template guides. It fits current and past models including 100, 690, 691, 693, 9690 and 693PK.
Replacement sub-base for 690 series router models
Compatible with 890 series router models also
1-1/8″ center hole sub-base accepts standard template guides
Manufactured by Porter-Cable