Large backing plate for Toyota Tacoma and Ford f-350 use with 70040 adaptor and large jaws

Quick-Chuck 70046 Large Backing Plate adapter (7.250” - OD) Part No. 70046 Universal Brake Lathe Adapter Its unique self centering design makes Quick Chuck the simplest, quickest and most precision brake lathe adapter for machining Hub-less Drums, Rotors and Composite Rotors on any 1” arbor brake lathe while eliminating run-out and set-up problems. The weight and mass of the Quick Chuck with Backing Plate virtually stops Chatter and Vibration in its tracks. Features: Eliminates run-out and set-up problems with its self-centering feature The weight and mass of the Quick Chuck with Backing Plate virtually eliminates chatter and vibration from all hub-less applications, including composite drums and rotors Fits all popular 1” arbor brake lathes. Eliminates centering cones, clamping cups and composite adapter systems. Fits drums and rotors with centering holes of compact cars to 1-ton trucks (with optional Accessories) 75% fewer pieces means less maintenance and minimal replacement costs