QEP 1000 Steel Lb Heavy-Duty Cargo Dolly Are Constructed Of Industrial-Strength Steel That Is Bolted, Welded Together And Each Dolly Will Hold Up To 1000 Lb. The Dollies Can Be Used To Move Rolls Of Carpet, Sheeting, Furniture, Appliances And Equipment. Use The Spring-Loaded Lock Pin To Adjust The Dollies From 24" To 33"l. Non-Mar, 3" Polyurethane Wheels Provide Easy Movement Without Damaging Floors.