Home / Brake Lathe Accessories / Quick Change Adaptors / Heavy Duty Truck Plate 12″ Diameter with 1 7/8″ Hole Heavy Duty Truck Plate 12″ Diameter with 1 7/8″ Hole $340.15 Part Number: 85721 Out of stock UPC: 682488857217 Category: Quick Change Adaptors Related products Medium Duty Truck Kit w/ Extra Large Jaws, Quick-Chuck, Backing Plate, & Step-Down Adaptor $843.39 Part Number: 85712Add to Cart Small Backing Plate – 4 3/4″ (882S) $97.57 Part Number: 85705Add to Cart Standard Quick-Chuck Backing Plate 5″ (882) $187.95 Part Number: 85703Add to Cart Quick Chuck Standard Jaws (886J) $193.65 Part Number: 85702Add to Cart