The product is a set of 5 universal exhaust U bolt clamps, each measuring 48mm (1 7/8") in diameter. Made in the United Kingdom, these U bolts are designed to securely attach exhaust pipes or TV aerials to vehicles. The cross reference number ECL48 indicates compatibility with other products in the same category. Ideal for car parts and accessories, these U bolts provide a reliable and durable solution for fixing exhaust systems and TV aerials.