Versatile units can be used individually as platform trucks, then quickly converted into a train of trailers using pin & clevis coupler at rear. Ring Drawbar with 2-1/2" I.D. stays in upright position for use as a platform truck. Pipe rack/pushbar handle extends 29" above a 12 gauge steel deck. Heavy service 8" mold-on rubber casters, 2 swivel, 2 rigid. FOB Shipping Point.