* 100% stainless steel clamp, no rust! * bolts, nuts and the band is standard 304 stainless steel. * Bolts are specially TEFLON coated. * Standard high quality EPDM rubber lining, also other materail available for various applications. * The rubber lining is specially designed to form a network of seals. * Seamless rubber lining for every diameter clamp. * Stainless steel, electrolytic zinc plated nuts to prevent galling. * Strong and flexible construction, very lightweight. * Simple to install, no loose parts.