Suitable for marine boat 1., 1 ID and 1., 25 ID exhaust pipe, muffler, and tubes’ connection accessories. Universal exhaust band clamp made of 304 stainless steel, suitable for 2 to 3 muffler pipes. Fits 51, 57, 63, 76mm diameters Boat Dual Swivel Clamp for Exhaust Band - 360 Degree Joint Exhaust Tube Clamp, Muffler Ends System MANCHAP 4 Pack 3 Inch Butt Joint Exhaust Band Clamp No Weld Exhaust Clamp Buy Lap Joint Band Clamp, Butt Joint Exhaust Band Clamp Exhaust Pipe Clamp Exhaust Band Clamp For Replace Parts 360 Degree Butt Joint Clamp It is removable and reusable, easy to install without welding. Suitable for marine boat 1., 1 ID and 1., 25 ID exhaust pipe, muffler, and tubes’ connection accessories. 1.1 ID Pipe Clamp Boat Dual Swivel Clamp For Exhaust Band - 360 Degree Butt Joint Exhaust No Weld Clamp Made of marine grade stainless steel 360 degree full clamping area to create overall sealing force without distorting exhaust pipe, muffler ends and tubing in system connections. Maximum resistance and durability in the saltwater environment.