I will say they were supposed to fit all shapes of cross bars but the bottom attachment didn?t quite fit like I would like. This is a scam. I never use it anyways so wasnt a big deal. I got it refurbished for $160 and Im still disappointed at what I paid. The first thing I noticed was that one works with I-phone 8 which is pretty standard, but this one also works with my OtterBox case. I needed durable, long, strong line or rope for our 2 Great Danes we take out on our boat! Im sorry not to have taken pics of the initial installation and loading of the bag. I have had a lot of Bluetooth ear buds/headphones and so far these have been the best. Works good, great value. It looks like it should be able to be adjusted (which is one of the reasons I chose this sandal,) but no, it isnt.