·                            Standards - API or customer specification.

·                            Sizes - 1” to 4-1/2” EUE & NUE, 1” to 2-1/16” IJ.

·                            Lengths (+/- 3”) - 2’, 3’, 4’, 6’, 8’, 10’, 12’ & metric equivalents.

·                            Options - Perforated & combination threads. (See example)

·                            Grades - J-55, L-80, N-80, N/L 80 & P-110.