Constructed of heavy-duty steel to handle uniform loads up to 4,000 pounds. The patented ergonomic handle decreases fatigue by allowing the operator to easily maneuver the cart. Handle can be inverted for individual height comfort. Rolls on 8" x 2" casters, two (2) rigid and two (2) swivel with roller bearings. Many caster styles to choose from. Additional sizes available. FOB Shipping Point.