Converts from two-wheel hand truck (two configurations) to four-wheel platform truck. 500-lb. capacity as two-wheeler; 600-lb. capacity as four-wheeler. 8 x 15 steel toeplate. 29 x 12 extendible shoe. Two 8" rubber tires, two swivel casters. Overall 20-1/4w x 48h. Shpg. wt. 38 lbs. Assembly required.