Use with D0010 to make the K0083 adapter which fits on the end of the MJ5, non-tilting, nozzle body, enabling use of a lower cost, high efficiency cutting head from IWP - the IDE (integrated diamond for high precision, long life) or the DP3000 (uses ruby orifice-mixing chamber inserts which protect the body from wear and allow varying the kerf width by job, at low cost.)
