Key benefits Protection from rust, dust and water: wheel nut covers tightly seal the nuts to help keep the wheels safer and cleaner over time. Easy installation: clean and dry the surface of the wheel nut, then press the cover onto the nut for secure fit. Convenient removal: includes a black plastic removal clip to facilitate removing the nut cover when needed. Durable and reliable: made of quality plastic material that is sturdy and longlasting. Specifications and compatibility Inner diameter: 19 mm Compatibility: suitable for most cars with a hexagonal nut outer diameter of 19 mm Installation note: please measure the outer diameter of the wheel nut to confirm the nut specifications before Installation and care Before installation, clean and dry the wheel nut surface. Press the nut cover onto the nut until it is securely seated. Use the included black plastic removal clip to remove the cover when required. Use scenarios Regular wheel maintenance and tire changes: protect nuts from dust and water during routine maintenance and when rotating tires. Harsh or wet environments: helps prevent corrosion in dusty or rainy conditions. After washing or storing wheels: keeps wheel nuts protected when the vehicle is parked or the wheels are off the vehicle for extended periods.