This spade attachment from Miller Industries is a great tool when recovering a vehicle using your car carrier rollback. This anchor spade was designed specifically for use on the 6″ x 4″ Dock Stabilizer Tube on a 20 or 40 series Miller car carrier rollback. Fits 6″x 4″ Dock Stabilizer Tube Length: 9″ Width: 4.75″ Height: 11″ Sold Individually Replacement cam is 15-88131