INCRA MagnaLOCK™ Solid Insert Ring is identical to other MagnaLOCK Rings except that there's no router bit opening. When you're not using your router, this insert keeps out sawdust, small tools, loose hardware, and everything else that you don't want dropped into the motor.
Every woodworker uses their router table's top for something other than routing - project assembly, sanding station, storage - and everyone eventually gets some foreign object into an unused router.
This solid steel insert is a must-have item if your router setup is built into a table or saw work bench, and it will save you aggravation at any router table that uses an INCRA Router Plate or Router Lift.
Compatibility
This insert fits only 2006- or newer INCRA router plates and lifts that have a 3-5/8" opening through the bottom of the plate.
This ring is NOT compatible with grey phenolic MagnaLOCK router plates or first-generation gold INCRA Mast-R-Lifts that have a 3-1/2" opening through the bottom of the plate.