Weight Capacity 400lbs 400lbs 400lbs 350lbs 350lbs 330lbs. Stability is secured by locking suction feet that grip firmly to the floor. Width Adjustable ✔ ✔ ✘ ✘ ✘ ✘. Heigh Adjustable ✔ ✔ ✔ ✔ ✔ ✔. Easy Installation & USA-Based Support: Set up in just 5 minutes with no tools required.