Converts from two-wheel hand truck to four-wheel platform truck (two swivel casters). Power Grasp Handle? grip with Therasoft Comfort treads. Color(s): Red; Enamel; Capacity (text): 2-Wheel Capacity: 500 lbs; 4-Wheel Capacity: 600 lbs; Overall Dimensions: 18 x 51; Toe Plate Size: 8 x 14.