20 Contact Tips & 2 Nozzles fit the Miller Spoolmate 100, 185, 3035 Spool guns. 

Spool Gun Nozzle, equivalent Miller Part # 186405. 

Contact Tips size .023", equivalent Miller Part # 199-730. 
Contact Tips size .030", equivalent Miller Part # 186-419. 
Contact Tips size .035", equivalent Miller Part # 186-406.