C19120 Size: 19 x 120 Features: -Ability of each chair truck: 35-38 (for smaller) and 44-48 (for bigger). Construction: -Heavy gauge, 2" x 2" welded angle iron construction. Color/Finish: -Brown color. Specifications: -2 Fixed, and 2 swivel casters. Dimensions: -4 4" Diameter no-mar industrial wheels.-16 gauge, 1" diameter steel handles.