Orifice was producted in Europe,high quality and long life time makes it very popular.
it is designed to exact shape by using hard alloy.even under ultra high pressure 380Mpa,it still work effective with collet,and keep them alignment.otherwise its inner alignment and perpendicularity reach +/-0.01mm that ensure the life time of  nozzle.
the range of inside diameter from 0.06mm to 0.6mm ,and suit to Flow, Jet Edge,KMT,Omax ect.