1.API 5CT 2.carbon seamless 3.grade: J55/K55,N80.L80,C90,P110 4.size:5 1/2" 5.premium thread-extrime line No.Out Diameterppf WTEndsGradeNo.inchmmlb/ftkg/mmm45 1/2"139.715.523.076.98STC,LTC,BTC,EXTRIME LINEJ55,K5551725.307.72STC,LTC,BTC,EXTRIME LINEJ55,K55617 7.72LTC,BTC,EXTRIME LINEN80,L80,C90,P11072029.769.17LTC,BTC,EXTRIME LINEN80,L80,C90,P11082334.2310.54LTC,BTC,EXTRIME LINEN80,L80,C90,P110