RC enthusiasts, listen up! These Hobbypark M4 flange lock nuts are exactly what you need to keep your ride running smoothly. This 8-piece set features nylon self-tightening nuts that stay put even during the most intense racing sessions. Made from quality metal with that nylon locking insert, these nuts won't vibrate loose when your RC car is hitting those jumps and rough terrain. They're compatible with most 1/10 scale RC models including popular brands like Traxxas Slash, Stampede VXL, Rustler VXL, HPI, and Redcat Axial. The flange design provides better stability and distribution of pressure, which means less chance of damaging your components. Whether you're doing routine maintenance or emergency repairs during a race day, having these reliable nuts on hand is absolutely essential. The package gives you plenty of spares too, because let's face it - parts sometimes disappear at the worst possible moments. Before ordering, just double-check your model's manual to ensure compatibility, but these are pretty universal for most 1/10 scale builds. Keep your RC car in top shape with these dependable lock nuts!