1. Product details:1).Grades:J55, K55, N80, L802).OD: from 2-3/8" - 13-3/8"3).WT: from4.83mm to 13.06mm4).Length range: R3Contact:Bonnie XuEmail:BonneXu@dlpoctg.comMob/Wechat:86+13602055205SKYPE:BonnieXu22Linkedin:BonnieXu Hot Tags: sell api seamless casing 9-5/8 inches 47ppf j55 r3 stc, China, manufacturers, factory, in stock