... 1"(Rod coupling)2 3/8"TBGJKLM73852 3/8"(TBG,BOX)2 3/8"(Tubing coupling)4 1/ ... 2"(Casing)JKLM90952 7/8"(TBG,BOX)2 7/8"(Tubing coupling)5 1/ ... 2",5"(Casing)JKLM1071123 1/2"(TBG,BOX)3 1/2"(Tubing coupling)5 1/ ... 2",65/8"(Casing)JKLM1211264"(TBG BOX)4"(Tubing coupling)6 5/8"(Casing) ... JKLM1331404 1/2"(TBG,BOX)4 1/2"(Tubing coupling)6 5/ ...