Your opinion matters. For those of you who were asking for Jammer Arms that could be adjusted by height... here are our Adjustable Jammer Arms. Adjustable Jammer Arms don't take up much space and will not hinder the functionality of the pillars. They are equipped with wheels so that it is easy to adjust them by height. You can also adjust the handle of the Jammer Arms to suit your needs the best. To add extra weight to your exercises, the Jammers are equipped with bumper holders.