They are as advertised and are 5/16 in. overall length. However, only a thread of approx. 3/16" remains and in my case it was not enough to even insert a thread through the switch plate into the switch.
Yeelight Plug-in Light Sensor Nightlight LED, 0.5 W, color: white
34 Review
Childproof Your Home With ENERLITES Elite Series Screwless Wall Plates - Dark Bronze (10 Pack)
37 Review
ENERLITES Elite Series Screwless Decorator Wall Plate Child Safe Outlet Cover, Gloss Finish, Size 1-Gang 4.68" H X 2.93" L, Unbreakable Polycarbonate Thermoplastic, SI8831-SV, Silver
20 Review
3D Colorful Butterfly Wall Stickers DIY Art Decor Crafts For Party Cosplay Wedding Offices Bedroom Room Magnets Glue SmartWallStation 84 PCS Set
45 Review
π‘ Electronic FL Ballast ICN-4P32-N (Formerly ICN-4P32-SC) for 3-4 F32T8 F40T8 F17T8 Lamps, 120V/277V Compatibility
5 Review
π‘ High-Quality Advance ICN-4P32-SC Electronic Fluorescent Ballast: Ideal for 4 Lamps, 32W T8, 120/277V
3 Review
π‘ Hydrofarm Quantum QT400 Dimmable Ballast for 400W Grow Lights
5 Review
Fulham WorkHorse WH2-120-C Adaptable Ballast - 2 Pack
3 Review