This will fit ANY brake lathe with a 1" arbor shaft.
Medium Backing Plate for Brake Lathe 3-Jaw Chuck Kit 5-3/16" OD for 1" Quick
Medium Backing Plate for Brake Lathe 3-Jaw Chuck Kit 5-1/4" OD for 1" Quick
Small Backing Plate for Brake Lathe 3-Jaw Chuck Kit 4-3/4" OD for 1" Quick
Totota Backing Plate for Brake Lathe 3-Jaw Chuck Kit 6-1/4" OD for 1" QuickChuck
Large Backing Plate for Brake Lathe 3-Jaw Chuck Kit 7-1/4" OD for 1" QuickChuck
Medium Backing Plate for Lite Dual Chuck Adapter on Brake Lathe