They define the spray pattern

a gun boom that folds out for quick set up and folds up for easy transportation and storage

The 46 FX outfit comes equipped with a 22

4 needle assm

Devilbiss o-ring kit (2) hose cleaner

Devilbiss JGA-510-EX - JGA Spray Gun - No Air Cap/ Retaining Ring 3/8 in x 50 ft BlueMax II Airless Hose & 1/4 in x 3 ft BlueMax II Airless Whip Hose They define the spray patternSetting industry standards for high production performance, the JGA manual spray gun also offers the comfortable fit and feel operators prefer. An economical option for waterborne and solvent based material applications, the JGA air spray gun delivers the quality results you need for tough applications. These guns with fluid tip and needle can be ordered without air cap and retaining ring.