5consists of 1 foot lever w/rachet and release, 1 brake drum, 1 mtg plate, 1 housing and mtg hardware, .375 in. Drum size, lever actuated, 9.250 in. Diameter o/a, 5.500 in.H o/a, four 0.406 in. Diameter mtg holes, equally spaced 3.500 in. C to c ocated in mtg plate