Check the listing for details. 4 Set 42mm Diameter Muffler U-Bolt Clamps Saddle Type. Condition: New. Listed at 28.11 USD. Description:1. Material: U-shaped bolt clamps are made of carbon steel with a zinc-plated coating that enhances their corrosion and heat resistance.2. Design: The saddle type u-bolt clamps consist of a U-bolt, saddle flange and two nuts, U-shaped design ensures that the clamp can withstand the pressure and heat generated by the exhaust system, is easy to install, and is removable.3. Easy to use: To use this muffler U-bolt clamp, simply place the U-bolt portion on the exhaust pipe and fasten the saddle and nut. The U-bolt clamp firmly holds the muffler in place to prevent unnecessary movement or vibration.4. Application: Used to seal muffler inlet/outlet, elbow joint, pipe, and maintenance exhaust system. Helps reduce noise and vibration without damaging tube ends.Specification:Material: Carbon SteelFinish: Zinc PlatedFit PIpe OD: 42mm / 1.