pup joint:                                    

1) OD: 1.9"~4-1/2"         

2) Grade: J55,K55,N80-1,N80-Q,L80-9Cr,L80-13Cr,P110,C95

3)Thread type: NUE,EUE                

4)Length: 2FT, 4FT, 6FT, 8FT, 10FT, 12FT