Corrosion resistant metal with antioxidative properties for long lasting durability and help keep fuel tanks clean. Twistlock mechanism for easy refueling and secure sealing, making it suitable for both daily use and professional motorcycle maintenance. Switchlock design enhances scooter security by deterring theft and preventing leaks; specifically designed for motorcycles, scooters, and mopeds such as ATM50. Locking cap provides added fuel security when parking in public spaces, supporting city commutes and long distance trips with reduced risk of losses. Compatibility and use: designed for motorcycles and scooters with standard fuel tanks, including Chinese models like ATM50; simple operation and reliable protection in everyday riding. Practical scenarios: Daily city commuting: secure cap during short stops and parking in urban areas to prevent fuel loss and tampering. Long distance trips: keeps the fuel system sealed during extended rides, reducing spill risk and evaporation. Professional maintenance or workshop use: easy to install and remove for servicing fuel tanks while maintaining safety and cleanliness.