IMC elbow Trade size:1/2",3/4",1",1-1/4",1-1/2",2",2-1/2",3",3-1/2",4". Thread:NPT. The surface of our elbow is smooth. IMC elbow1.Trade size:1/2",3/4”,1”,1-1/4”,1-1/2”,2".2.The seze of degree:40degree,90degree or according to your requirement.3.Material:Q195.4.Thread:NPT.The surface of our elbow is smooth. imc elbow 90 degree for electrical