Set of 2 Inner Tube Tires 2 4.10/3.50-4 Inch for Hand Truck, Cart, Manual Cart, Garden Cart, Lawn Mower, Replacement Tube 4.10-4 (One Wrench)

The inner tube is made of isobutylene isoprene rubber, which is superior to natural rubber in terms of airtightness, elastic cushioning, and resistance to aging. NOT REHEARSAL Heavy-duty inner tube with TR87 bent valve stem; maximum inflation pressure is 30. Inflate with a hand pump only. 3.50 to 4-inch inner tube. Works with hand trucks, carts, garden wagons, lawn carts, utility carts, flatbed trucks, lawnmowers, small tractors, wheelbarrows, garden trailers, wagon dolly, generators, snow blowers, and most wheeled applications. CUSTOMER SATISFACTION: During installation, check that the inner tubes are completely sealed by immersing them in water. If there are bubbles, they are already sealed. damaged.