"The item consists of a cam (P/N 2223-117), two rivets (P/N MS20426-A3-9), a pin (P/N 2223-134), a dial (P/N 2223-119), and a knob (P/N 2223-118). The overall shape of the item is circular, with the knob located on the outer circumference, centered on the smallest of three rivet holes. It includes a dial indexed in numerics."