7 5/8" API 5CT oil casing 1.API 5CT; 2. Grade: J55, K55, N80, L80, C90, C95, P110 3.Size: 4.5"-20' API 5CT Oil Casing API SPEC.5CTAppication:For drilling tools in oil welllsSteel Grade: J55, K55, N80, L80, C90, C95, P110Size:4.5''-20'' We could provide you qualified goods with positive price and fine deliver time. If you have any interest, welcome to contact with me! 7 5/8" API 5CT oil casing