Vestil Aha-Pnu-Dt4-Rf Pneumatic Rubber Dual Tire Kit 15-1/2 In. X 5-7/8 In. Wheel For Aluminum Adjustable Height Gantry Cranes 4,000 Lb. Capacity

Pneumatic casters provide a balanced and dependable roll to the gantry crane. With a simple plate connection, the casters can quickly be installed on an existing gantry crane. The swivel design allows for quick movement and directional changes.