4.00-8 wheelbarrow Inner Tube 1.Best quality and top service 2.Antiwear,corrosive resistant wheel barrow inner tubes 4.00-8 Model4.00-8 Mterial natural rubber colour black style pneumatic tyre Use wheelbarrow wheels Origin Shandong1) type: inner tube2)shape: Rubber Rollers3) Packing: bulk, bags, pallet, or on your request4) Productivity:1250000/week5) Export Markets:North America, South America, ...