Full CircleFabricated stainless steel lugs can be installed in tight spaces and may be used to join plain pipe of the same diameter. 304 stainless steel stud bolts. Single-band clamps have 360° gasket seal for support, and a "keeper bar" that helps close clamp during installation. Steel nuts and bolts.Pipe Repair ClampsUse to repair pipe without dismantling connections and to join pipes without threaded connections. 304 stainless steel band and Buna N gasket.