V-Band clamps are made to seal flanged joints, their unique band design allowing them to do so. Applications include filter housings, turbocharger systems, exhaust sytstems, emissions systems, and many more industrial applications. They feature a t-bolt style tension device with the bolt made from 410 stainless steel, a 7/16" 300 stainless steel nut, a 300 stainless steel trunnion, and a 300 stainless steel band for excellent resistance to corrosion.