Light Duty Series General purpose moving of loads 3 to 8 tons. Hilman's endless chain action design. Low profile and high capacity. Rigid or swivel type. Topped with rough, rugged no-slip pads. Available in smooth top style (ideal for permanent mounting). Components Individual Rollers. Kits include: 4 padded top Rollers, 2 steering handles, and steel storage case. Sets include: 4 padded top Rollers and 2 steering handles. Capacity Individual Rollers: .75 and 2 tons. Kits: 3 and 8 tons. Sets: 3 and 8 tons.