4" Steel Wood Lathe Face Plate, 1-1/4" x 8tpi Threaded 7/16" Thick Steel Faceplate - Heavy and Rigid. 1-1/4" Thread Depth Locking set screw for use on reversing lathes Some Powermatic & Laguana lathes may require Maxwood 5144 spacer behind this faceplate (extra long spindle on these)