3-point leg system creates stable base. Height adjusts from 39" to 57" (99cm to 145cm). Screw type clamp adjusts to fit tubes from 7-8" to 3" (24cm to 76cm). Clamp rotates 360 degrees for easy access to any part of the bike. Adjustable clamping pressure prevents damage to thin-walled tubes. Folds to 41" (104cm) for portability and storage. Replaceable jaw covers. Made from powder coated steel tubing