1. gabungan pup digunakake kanggo nyetel dhuwur saka dawa tubing utawa coretan strings, dheweke uga digunakake kanggo nyetel jeroane alat downhole.
2.Standard: API 5CT
3.Size: 2 3/8 ″, 2 7/8 ″, 3 1/2 ″, 4 1/2 ″ lan liya-liyane
4.Grade: J55 / K55 / N80 / L80 / P110
5. Length: 2FT / 3FT / 4FT / 5FT / 6FT / 8FT / 10FT / 12FT