Detailed Product Description Double bolt Hose clampSIZE INCHESPART NO.FROMTO3"-1/2" 4"DBC-400 4- ... & groove quick couplings), guillemin coupling, Bauer type coupling, Ground joint coupling, sandblast coupling, King combination nipple, DIN2817 safety clamp, T-bolt superior clamp, double bolt clamp, whipcheck safety cable, washdown ...