Material: E75/X95/G105/S135 OD: 2 3/8" to 6 5/8" Wall Thickness: 6.45mm to 12.7mm Length: R1(6.10-7.01meters) R2(8.84-9.75meters) R3(12.19-13.72meters) Hard band: Arnco100XT, Arnco200XT and Arnco300XT; Botn1000, Botn3000, TCS8000, TCS-Titanium, Armacor M etc. Also we can make according to customers' requirements. Standard: API 5DP RSC Type: NC26 NC31 NC38 NC40 NC46 NC50 NC55 6-5/8FH UPSET: EU(External upset) IU(Internal upset) IEU(Internal & External upset) Technical: Hot Rolled Surface treatment: blank oil painting Packing: 6/9/12 pieces in a bundle packed with steel holder Third party inspection: BV_SGS_ISO Usage: oil gas industry, well drill industry