All of INCRA's Aluminum Mounting Plates and the Incra Mast-R-Lift feature the exclusive Magna Lock magnetic throat plate system. Magna Lock throat plates can be removed or added without any special tools. Simply drop any plate into the keyed recess and the Magna Lock plate snaps smartly into place held securely in place by 4 high-energy rare earth magnets.
A perfect flush alignment with the surrounding left surface is guaranteed. This 8-piece set is a nice addition to what is included standard with the plates and includes a size for every requirement. Now you can have zero clearance around any cutter diameter.
Magna Lock Ring Set - Set of 8 reducer rings as follows:
3/8" 5/8" 7/8" 1-3/8" 1-5/8" 1-7/8" 2-5/8" and 3-3/8".