Helping Folks Since 1975 & 11 Years on the Web!

|
| 
SET SCREW #10-24 X .50 (For old Prime knob & Pressure knob) Two needed per knob, (one for each side of knob).
This is the small set screw used on the older Wagner 500 series (and like) diaphragm sprayers prime/spray knobs. And current style diaphragm pressure knobs.
| |