Check the listing for details. 3 Inch Butt Joint Band Clamp Exhaust Clamp Sleeve Coupler 304 Stainless Steel US. Condition: New. Listed at 28.99 USD. Feature: Dimension: Width of strap: 3.35inch /85mm, thickness of strap: inner approx 0.8 mm, outer approx 1.2mm. Inner diameter: 3 inch, connect two pipes of equal outside diameter. Material: 304 Stainless steel band, zinc-plated M10 bolt and nut, steel gasket, aluminum alloy I-block, resistant to corrosion and rusting. Feature: Double-layer structure design, thicker and stronger. Provide 360°equal distribution of the clamping force to prevent leaks without distorting pipe. Easy to Install: Designed with a bolt and nut construction, no welding required, easy to install or remove. Application: Effectively connect catalytic converters, exhaust ports, exhaust manifolds, exhaust resonators, exhaust flex pipes, and muffler repair. Specifics: 3" Butt Joint Band Clamp Includes: 3 Inch Butt Joint Band Clamps