Converts from two-wheel hand truck to four-wheel platform truck (two swivel casters), Power Grasp Handle grip with Therasoft Comfort treads, Capacity (text): 2-Wheel Capacity: 500 lb, 4-Wheel Capacity: 600 lb, Caster/Glide/Wheel Type: Two Casters Two 10"" Wheels, Color: Red Enamel, Material: Steel, Overall Dimensions: 18 x 51, SKU: SPRCH29314