Complete your exhaust repair with a DynoMax U-bolt clamp. Designed to support undercar exhaust components, the DynoMax U-bolt clamp is manufactured from durable and robust stainless steel for long service life. Product Features:KEEPS EXHAUST PARTS IN PLACE -- Designed to support undercar exhaust componentsSPECS -- 3-in. U-bolt has a diameter of 3/8-in.PREMIUM MATERIALS--Made from T-304 stainless steel, 11-gauge saddle for durability and long lifeBETTER TOGETHER -- Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade