Height adjustment from 55 inches to 72 inches 14m to 18m allow a comfortable working height for any mechanic even when clamping on the seat post of the bikequick adjusting clamp that fits frame tubes from 78quot 22mm to 1 58quot 41mm diameterinfinite 360 degree rotation of clamp headquality constructiontapered rotational locking systemfolds easily for storageconstructed of heavy steel tubing and powder coated for durabilityrubber feet are adjustable for uneven floorsleg stabilis