This high-quality rubber inner tube is the perfect replacement for your 3.50-8 builders wheelbarrow tyre. Designed to be heavy duty, you can be sure that it will withstand the toughest of jobs without letting you down. The tube is compatible with a range of wheelbarrows and carts, making it a versatile addition to your gardening equipment. With two durable wheels and a sleek black design, this inner tube is a great investment for any gardener. Its ability to handle heavy loads with ease makes it ideal for a range of tasks, from transporting soil and plants to moving construction materials. Don't let a flat tyre hold you back - replace it with this sturdy inner tube and get back to work in no time.