Yes but they are all made out of the same material which doesn't give at all , and the first thing that happens when you try pushing these through the hex with any force with grease or heating them up the small end splits down the sides that's why the MDI are very different in many ways, very tuff and very pliable . Couldn't believe how easy these slipped over the PST 1.03 bars. Its just another alternative which works better than whats out there. My 2c
