Adaptor #033 - Adapts motorhome mounted BLUE OX tow bars - Aventa, Aventa II, Kar Bar, Aladdin, Alexxa, Acclaim and Blue Ox "A" frame tow bars w/ 1 or 3 pronged attachments to Roadmaster brackets.Also adapts DEMCO-Aluminator, Dominator, Excalibar, and Kwik-Tow to roadmaster brackets. Adapter is permanently bolted to the mounting bracket.