Coupling for Tubing 2 7/8''OD,N-80 6.5 PPF EUE Coupling 2 7/8''OD, J55 6.5 PPF 2FT Coupling 2 7/8''OD, N-80Q 6.5 PPF 4FT Coupling 2 7/8''OD, N-80 TYPE 1 6.5 PPF 6FT Coupling 2 7/8''OD,L-80-9cr 6.5 PPF EUE Coupling 2 7/8''OD, L-80-13cr 6.5 PPF 2FT Coupling 2 7/8''OD, L-80-1Cr 6.5 PPF 4FT Coupling 2 7/8''OD, L-80 6.5 PPF 6FT