Decoration & Protection: Low-profile hex lug nut covers match your wheel design perfectly, acting as a barrier to prevent fluid and dust from contacting lug nuts/studs—effectively avoiding rust and wear.|Compatible Vehicle Models: The 21mm hex lug nut cover is specifically engineered to fit Model 3, Model S, Model X and more models. Designed with precise dimensional accuracy, they seamlessly match the original wheel lug nuts of these models.|Premium ABS Material: Crafted from high-quality ABS plastic (non-rusting unlike metal), these black lug nut covers maintain excellent appearance and functionality for long-term use, even in wet environments.|Easy Installation & Removal: Wipe lug nuts/bolts clean, then simply snap the caps on. Use the included disassembly clip for easy replacement—tool-free and hassle-free operation.|Value Pack: Package includes 20 lug nut covers, perfect for multiple vehicles (great if you own more than one car) or auto repair shops. Spare pieces available for quick replacement.