A crossover is a one piece tubular section used for the purpose of joining or changing from one size, weight, or type of thread connection to the same or another size, weight, or type of thread connection.
2-3/8” EUE PIN * 3-1/2" NUE BOX N80
3-1/2” EUE PIN * 2-3/8" NUE BOX N80
2-3/8” EUE BOX * 3-1/2" EUE BOX J55
2-3/8” EUE PIN * 3-1/2" EUE PIN J55
Steel grade:J55 N80 L80 P110 13CR etc
Length:200mm，300mm,500mm,1000mm and according to customers' requirement.