Our tubes are ideal for intensive use when carrying loads with your devils, carts, wheelbarrows, etc. even on uneven terrain. Made of durable abrasion resistant rubber with a curved metal valve, these replacement air chambers are very easy to inflate. In addition, replacement air chambers can be easily installed in the tires of your wheelbarrows, industrial trucks, hand trolleys. Delivery includes 2 tubes. You can visit our online store to find matching wheelbarrow tires.