... 5CT Grade:J55,K55,N80,L80,C90,P110, N80-1,N80-Q Type: NU, EU Coupling Manufacturer of ... 821.552-7/8"NUE 88.90*130.182.342-7/8"EUE93.17*130.352.43-1/2"NUE107.95 ... *142.883.173-1/2"EUE114.30* ... EUE141.30*158.756.051.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110 2.We also ... Size: tubing coupling from 1.9" to 4-1/2",Casing coupling fro4-1/2"to 13-3/8" 4.Type: NU, ...