Aluminum M4 4mm Flanged Nylon Lock Nuts for 1/10 RC Car Wheels (8-Pack) Black

✔Flanged nylon locking style,Self-Tightening. ✔Made of Aluminum alloy, light weight, high strength, corrosion resistance. ✔CNC machined for precision.Threads are clean and smooth.Increased strength and precision.Easy upgrade from the original part.

eBay