Excellent condition – no rust nor corrosion One pair – 2 bars Smoother arched bars fit close to roof line WindDiffuser technology – low noise, improved fuel economy Upper T-Track for easy fast mount of Thule carrier accessories Model 7504, Size XL (consult Thule’s online fit guide for the your size) Includes instructions, all parts, and mounting tools DOES NOT INCLUDE optional locks (available from Thule) Selling to best offer with a phone number only. Replying to serious inquires only.