Universal Big Bogi (Universal Tow Bar)The BBU is unique because it can attach to virtually any aircraft. It has interchangeable Feet that can be matched to any aircraft. Each of the Feet typically adapts to several models or series of aircraft and several sizes can be carried right on the tow bar. This is perfect for FBOs that deal with a variety of aircraft or aircraft owners that have more than one plane or shared hangars. Interchangeable feet sold in pairs, each pair sold separately.