... .352.40 J55,K55,N80Q,N801,L80,P1103-1/2"NUE107.95*142.883.71 J55,K55,N80Q ... ,N801,L80,P1103-1/2"EUE114.30*146.054.10 J55,K55,N80Q ... .404.82 J55,K55,N80Q,N801,L80,P1104-1/2"NUE132.08*155.584.89 J55,K55,N80Q ... .05 J55,K55,N80Q,N801,L80,P110Casing Coupling4-1/2"STC127.00*158.755.23J55,K55,N80Q,N801 ... negotiate business with us!! Jinggong API 5 CT 3-1/2 EU J55 S13 coupling with sealing ring