Short pole gun p/n 10-127/19 includes On/Off control switch to work with the Rotortex. Gun includes 4 round spray tips 3/16"-1/4" 5/16"-3/8", 1" material ball valve for fine adjustment, air On/Off valve, quick disconnect coupling, the head of pole gun is removable for easy clean out. This style gun is excellent to use when abrasive material must be apply in tight area, if need to use with the Rotortex.