Detailed Product Description Drill pipesStandard: API Spec 7 and API 5DSpecification: OD: 2-3/8-6-5/8Steel Grade: E75, X95, G105, S135 ConnectionNC26NC31NC38NC40NC46NC5051/2FH6 5/8FHConnectionNC26NC31NC38NC40NC46NC5051/2FH6 5/8FHInternal Coating : TK34 , TC2000, TC3000 Hardbanding : ARNCO 100XT , 200XT, & 300XT , BOTN3000 , ARMACOR MLength: R1: 5.49-6.71m R2: 8.23-9.14m R3: 11.58-13.72