Roof bars, THULE WING BARS and mountings ?

Thule Wing bars (Thule 960100,961100,962100,963100,969100) with rapid system mounting (thule 757000). Adjustable mountings to fit various types / spacings of roof rails. Set of two Lockable Thule wing roof bars. Aerodynamic shape, silver with black mountings and black rubber non slip strip along top length of bars. Each end of the bar has a key lock. Only used once, in very good condition, were fitted on a BMW 3 series Touring 2007 plate