DURABLE STEEL LOCK: Each motorcycle lock is made of hardened steel to keep your belongings safe and prevent bad guys from breaking in. Each padlock with key weighs 850 grams and measures 10 L x 2.4 W x 6.5 H cm. The locking ring has a diameter of 12 mm. When locked, it takes up 3.8 x 2 cm. This makes this armored lock the ideal size for most tasks.MAXIMUM SECURITY: The steel padlock weighs a whopping 850 grams and is very durable. The steel padlock features a hardened and solid steel lock body for strength and durability. Each steel padlock comes with a rotating/enclosed locking ring that is drill and saw proof. The lock is designed with security in mind and leaves no weak points.4 KEYS INCLUDED: All motorcycle locks sold come with 4 keys. You can never have enough in stock. Keep a few keys in a safe place so that you are covered even if you lose one. With 4 keys, you have enough keys to give to friends and family. The key can only be removed from the lock when it is in the locked position.CLOSED AND OUT: Given the unique D-shape of the lock, it becomes the perfect solution for securing 6m or 12m industrial containers, gates, garage doors, caravans and storage units. The rectangular lock is also very strong and can be used to lock the chain of a motorcycle.SATISFACTION OR MONEY BACK GUARANTEE: All the anti-theft locks we sell come with a 100% money back guarantee in case you are not satisfied with your purchase. If so, please contact us and we will refund you.