Pneumatic Wheels Products DescriptionDC CASTERS Pneumatic Wheels can be applied threaded Top Plate or change to US Top block.Pneumatic Wheels are widely used in heavy-duty construction applications,Website: , pneumatic wheels perform smoothly and continuously. Pneumatic wheels are able to distribute the load over a wide area and are ideal for rolling over uneven and soft surfaces.?DC CASTERS provide high quality Pneumatic Wheels with long life, nice dependability and rugged durability.