●Material:304 stainless steel band,zinc-plated carbon steel M10 bolt,Double stack self-locking lock washers and nut, carbon steel gasket, aluminum alloy I-block. ●Size:Joins 45mm OD pipe to 45mm OD pipe, width of strap:3inch /76.2mm. ●Advantages:No welding design, easy to install or remove.Double stack self-locking lock washers keep the nut from loosening.You will get Vitonsbay 1.75 Inch Butt Joint Exhaust Band Clamp, welcome guide,our worry-free 6-month warranty, and friendly customer service. ●Feature:The exclusive reaction block provides a full 360°equal distribution of stretching forces, prohibiting pipe distortion while completing a seal around the joined exhaust components.Torque: 63 N·m. ●Application:Butt joint band clamp is a simple,effective way to connect most of exhaust system components.