Mil Spec "Press To Test" Indicator. Provides Positive Safety Factors & Features Patented Shutter Dimming Action. For 15/32" clearance hole. Blue Lens. With Lamp. These can be shipped to you in 5 working days. They are built for you from stock components.
"Disregard any out of stock notice, because we custom assemble them, however, they are NCNR."