Thank you for viewing! Orders placed by 3 PM will be shipped the same day. Please note that orders placed on Sundays and holidays will be shipped the next day. Durable and easy-to-use special steel product. Can be used on most bikes and bicycles. This high-quality U-lock is loved worldwide. Manufacturer: MING TAY MING Product Name: MT-3329V HIGH SECURITY U LOCK ▲Caution <Please read before use> 1. While it can be used on most bikes and bicycles, it is not foolproof, so please use it in conjunction with another lock. 2. Always make sure the lock is removed before riding. 3. When storing while riding, secure it so that it does not interfere with the wheels, handlebars, etc. 4. When used outdoors, rust may occur due to moisture, and the keyhole may become clogged with dust, sand, etc. You may not be able to unlock it due to tampering or loss of the key. In such cases, cut it with a commercially available grinder or burner. 5. Periodically inject rust-prevention spray into the keyhole and the locking mechanism. 6. To prepare for the loss of the lock, be sure to record the key number after purchase and keep it in a safe place. ※Bulk purchases are welcome. We will discount the shipping difference if you purchase other products at the same time. Please comment before purchasing, and we will respond. Thank you for reading to the end. If you have any questions, please feel free to comment. Thank you.