WESCO Ergonomic Inclined Support Hand Truck tilts back and stabilizes load on all 4 wheels for effortless transport. Back wheels swivel for great maneuverability around corners. Rounded 1" O.D. structural pipe size steel tubing frame supports both round and square items. Semi-pneumatic wheels and polyolefin swivel casters. 47-3/4"H in vertical position; 41-1/8H on all 4 wheels. 3/16" thick beveled nose plate. 5-year warranty. Made in USA.