... .05 J55,K55,N80Q,N801,L80,P110Casing Coupling4-1/2"STC127.00*158.755.23J55,K55,N80Q, ... N801,L80,P1106-5/8"STC187.71*184.159.12 J55,K55,N80Q,N801,L80,P1106-5/8" ... 8828.03 J55,K55,N80Q,N801,L80,P11013-3/8"STC365.12*203.2025.66 J55,K55,N80Q,N801, ... L80,P11013-3/8"BTC365.12*269.8831.77 J55,K55,N80Q,N801, ... business with us!! Jinggong API 5 CT 3-1/2 EU J55 S13 coupling with sealing ring