1 Standard: API SPEC 5CT&5B 2 Steel grade: J55/K55/N80/L80/P110 3 Out Diameter for Tubing: 2 3/8"(60.3mm) -4 1/2"(114.3mm) Threads: EUE/NUE 4 Out Diameter for Casing: 4 1/2"(114.3mm) -20"(508mm), Threads: BTC, LTC, STC. 5 Lengths: 2,3,4,6,8,10 12 ft (with other lengths available upon request)
