This is the new style Applicator Assembly that has a male threaded end (rather than the female end on old style) and includes the nozzle retainer collet. (Nozzles and feedline not included).
The various nozzles that are available (must be purchased separately) accept different sized feedlines. The nozzle slips into the Applicator Assembly handle and is held in place by the collet.
This Applicator Assembly includes the handle and nozzle retainer collet. Nozzles 1244446, 1244447, 1244448, or 1244449 must be purchased individually.