[Widely Used] The 4.80/4.00-8 inner tube meets the requirements of JK-FEct and is suitable for home, garden/utility use. It can be used for lawn mowers, wheelbarrows, carts, garden carts, snow blowers, flatbeds, yard trailers, wheelbarrows, carts, etc. [JK-FEature--Wheelbow Inner Tube 4.80/4.00-8] The heavy-duty replacement inner tube is made of high-quality rubber, with better air tightness and anti-aging properties. The 4.80/4.00-8 inner tube is very durable. [SaJK-FE--4.80/4.00-8 Inner Tube] The maximum inflation pressure of the straight valve inner tube is 30 PSI. It can only be inflated with a hand pump to avoid over-inflation. Not suitable for roads/highways. [Easy to Install--4.80 x8 Inner Tube] The heavy-duty inner tube is easy to install, and there is no need to buy a new tire when a tire is punctured, just replace the inner tube to resume operation. When installing, put the inner tube into the water to check whether the inner tube is completely sealed. If there are bubbles, it means that the inner tube has been damaged. Size: 4.80/4.00-8 inches JK-FEature: Manual pump inflation Maximum inflation pressure: 30 PSI Color: Black Material: Rubber Package Contents: 2 x Tires Only the above package contents, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowable error is +/- 1-3 cm.