ROLL-A-WAY Steel Pallet Conveyors ease the transport of fully loaded pallets on the dock or in the warehouse. 2" diameter, 12-ga. spring loaded rollers run on 3" centers and are set low on 7/16" hex axles. 52" overall width, 50" wide between rails. All-welded, 3-1/2x1", 1" thick 10-ga. channel steel frame with butt couplers. 300-lb. capacity per roller. 3500-lb. fully supported frame capacity on the floor. If H-stands are needed, 5' centers are mandatory (call for information). Ships unassembled. Made in USA.