Tubing Download specifications for our tubings. 1.66″ Tubing, 3.02#, L-80, R-2, Hydril CS Conn 1.66″ Tubing, 3.24#, L-80, R-2, TS-8 Conn 2-3/8 Tubing, 5,95#, P-110, 533 Conn 2-7/8″ Tubing, 8.7#, P-110, TS-6 Conn 2-7/8″ Tubing, 9.5#, KO110 SS, 533 Conn 3-1/2″ Tubing, 12.95#, L-80, PH-6 Conn 3-1/2″ Tubing, 12.95#, P-110, TS-6 Conn 3-1/2″ Tubing, 12.95#, KO-110, 533 Conn 3-1/2″ Tubing, 15.8#, T-95 Grade, 533 Conn