... suitable for round pipe from 3/8" to 7/8" and square pipe 3/4",and 1". Easy and safe operating: bend a ... pipe by pulling the handle.Diameter: 3/8",1 ... bending arm, die, roller seat, screw, and nut, 6sets round pipe die and roller 3/8”,1/2”, 9/16”, 5/8 ... ”,3/4”,7/8”. 2 sets square pipe die and roller 3/4”, 1”Handy storage case ...