We have 600ts in stock as follow 1.Seamless tubing 2-3/8",4.7 lb/ft, 60.32mm*4.83mm,J55 8R, EUE, R2 2.Seamless tubing 2-7/8",6.5 lb/ft, 73.02mm*5.51mm,J55,8R,EUE,R2 3.Seamless casing 4-1/2",10.5 lb/ft, 114.30mm*5.69mm,J55,STC,R3 4.Seamless casing 5-1/2",15.5 lb/ft, 139.70mm*6.98mm,J55,LTC,R3 5.Seamless casing 5-1/2",17 lb/ft, 139.70mm*7.72mm,J55,LTC,R3 6.Seamless casing 5-1/2",17 lb/ft, 139.70mm*7.72mm,N80,BTC,R3 7.Seamless casing 7", 26 lb/ft, 177.8mm*9.19mm, N80,BTC,R3 8.Seamless casing 8-5/8", 24 lb/ft, 219.08mm*6.71mm, J55,STC,R3 9.Seamless casing 9-5/8", 36 lb/ft, 244.48mm*8.94mm, J55,LTC,R3 10.Seamless casing bare pipe 5-1/2",17 lb/ft, 139.70mm*7.72mm,J55,R3 11.Seamless csaing bare pipe J55,9-5/8",40 lb/ft,244.5mm*10.03mm, 12.Seamless casing 6-5/8",24 lb/ft, 168.3mm*8.94mm, N80Q,BTC,R3 13.Seamless casing 20", 94 lb/ft, 508mm*11.13mm, K55,LTC/BTC,R3 14.Seamless casing coupling materials 194*16， P110，9-11m 15.Seamless casing 7", 32 lb/ft,177.8mm*11.51mm, P110,LTC,R3