GW0661 is a non-locking type; users can open it easily without using the key. The outer shell is made of cold-rolled steel sheet and undergoes chrome plating. It features a smooth surface in silver color, making it beautiful and easy to clean. Additionally, it is effective against wear and corrosion. GW0661 is a vented fuel cap; it can balance the pressure for the oil tank to protect the performance of your motorcycle. For those interested in fat bob gas caps, this model offers a reliable option.