Sturdy and highly functional, ROBERTS Heavy-Duty Cargo Dollies are made of industrial-strength steel. Expertly manufactured, they are welded and bolted together to offer greater weight capacity and hold up to 1,000 lbs. each. The spring-loaded lock pins allow to easily extend and adjust the length from 24 in. to 33 in. The non-marring 3 in. casters ensure easy movement without damaging your floors. These dollies are ideal to move furniture, appliances, rolls of carpet, sheeting, equipment, and are durable to boot.