Standard: API Spec 5CT & 5B Diameter: 1.9" to 4 1/2" for Tubing; 4 1/2" to 13 3/8" for casing Weight: As per API 5CT Length: 2,3,4,6,8,10 & 12ft Standard Grade: J55,K55,N80-1,N80-Q,L80,C90,P110 Tubing Connection: EUE, NUE, Integral Joint Tubing Casing Connection: STC, LTC, BTC & Extreme Line, Pin/Box