1.Wide Application: This motorcycle helmet lock is suitable for electric vehicles, motorcycles and scooters with 6mm screw holes. 2.Anti Theft Design: Designed to hang your helmet safely when you stopped the vehicle during some intervals. You can lock and unlock the hanging helmet easily. 3.Multiple Purposes: On the one hand, you don't have to worry about losing your helmet, and on the other hand, you can hang shopping bags, handbags, bags, etc., with one lock for multiple purposes. 4.Durable Construction: Helmet security lock is made of high quality aluminium alloy material, high strength and precision, safe and durable. 5.Easy Installation: This motorcycle helmet lock set including 2 keys, auxiliary installation wrench and screws, easy to install with 6mm threaded holes. Specification: Item Type: Helmet Lock_x000D_ Material: Aluminum alloy_x000D_ Function: Anti-theft, hanging helmets, bags, etc._x000D_ Application: Suitable for electric vehicles, motorcycles and scooters with 6mm screw holes