Polyethylene Dollies, series DOL, features a steel reinforced structure, which gives the dollies a capacity of 1,000 pounds. Available in a flush top or a padded top. Rolling Knee Dolly, model KNEE-D, is great for people working on their knees. Constructed of red molded plastic with foam cushioned knee cups. Ideal for maintenance departments, automotive garages, and furniture warehouses. Handy tool tray keeps tools in easy reach. Leg Dolly, model LEG-D, Ideal for moving furniture with legs. Includes swivel hard poly casters. Three foam pads on top of dolly help prevent scratching. Model LEG-D has an Inner cup diameter of 1-3/8", while the outer cup is 2-1/4" in diameter, Model LEG-D-12 has maximum load diameter of 4-1/4". Sold each.