Drill Pipe: 2-3/8",2-7/8",3-1/2,4",4-1/2",5",5-1/2", Grade:E75, X95, G105, S135 Type ... of end finish:EU,IU, IEU API SPEC 5D Drill Pipe1\Sizes ... : OD 2 3/8", 2 7/8", 3 1/2", 4", 4 1/2", 5", 5 1 ... /2"2\Standard: API SPEC 5D, API SPEC 73\Type of end finish: EU ...