316 SS T-Bolt Clamp – 3/4″ Band – 3.78″-4.09″ RangeVery strong and secure clamp for critical installations. Trident Marine T-Bolt Clamps are built with safety in mind. With a 3/4″ (19 mm) wide band, this clamp ensures a greater area of coverage for a positive and strong union. It is recommended that two clamps be used on each end of a wet exhaust installation.Specifications:Band & Housing: 316 stainless steel 3/4 in. wide bandT-Bolt and Nut: 18-8 stainless steel with nylon insertHose Outer Diameter (inch): 3.78″ to 4.09″