Feature 1Universal Durability: Sturdy 3.00/3.258 inner tubes compatible with 4.008, 3.258 and 3.508 tires, the total tire height of these inner tubes is usually around 14 inches, suitable for hand carts, wheelbarrows, trucks, generators, snow blowers, and more. 2Premium Material: Made of thick, natural rubber, the heavy duty 3.00/3.258 inner tubes provide excellent shock absorption, elastic damping, and aging resistance, with high puncture resistance. 3Come with Valve Stem for Perfect Sealing: The heavy duty 3.00/3.258 inner tubes are made of natural rubber and come with a valve stem, ensuring excellent sealing and air retention. 4Enhanced Performance: Natural rubber inner tubes offer better air tightness, tear resistance, and shock absorption, protecting you from rough terrains and sudden punctures for a smoother, safer ride. 5Convenient Replacement: In case of a flat tire, simply replace the inner tube for a quick return to the road, compatible with a wide range of vehicles and equipment for added versatility. Item Type: Inner Tube Material: Rubber Wheel Rim Size: 8 in Application: Replacement inner tube, be prepared for any possible flat tire Fitment: Replacement for hand trucks, push carts, wheelbarrows, lawnmowers, tractors, garden,utility carts, flatbed carts, yard trailers, generators, snow blowers, pressure washers, air compressors, wood chippers, etc. Package List 2 x Inner Tubes