Material:Lock body: Zinc alloy; Combination wheels: Engineering plastic; Lock beam: Steel Size:2.56x5.55x0.98in Lock styles:Combination lock Password setting operation method:1. Initial password: 0-0-0-0-0. Align with the scale line and pull up the lock beam.2. Rotate the code adjustment button on the right outer lock cover 90 degrees clockwise (Note: Make sure to turn it all the way).3. Set a new password: e.g., 1-2-3-4-5.4. Turn the code adjustment button counterclockwise, close the lock beam, and the password setting is complete. Compact and Convenient for Easy Carrying The U lock is 11cm in length, perfect for locking your bike while being compact enough to carry effortlessly. It fits easily into your bag, making it ideal for everyday use, whether for commuting or travel. No more hassle of bulky locks taking up too much space. It’s a must-have for any bike owner. Five-Digit Combination for Enhanced Security With a five-digit combination, this bike u lock offers a very low chance of being cracked, ensuring maximum security. Unlike traditional key locks, you don’t have to worry about losing or forgetting your keys. It’s a reliable and secure way to protect your bike lock and motorcycle lock from theft. Durable Construction for Long-Term Use Crafted from zinc alloy for the lock body and steel for the locking beam, this bike lock offers both strength and rust resistance. The high-quality materials ensure that it remains in excellent condition over time, providing long-lasting protection for your bike or ebike lock. Versatile and Flexible for Various Uses This U lock isn’t just for bikes. It’s also great for securing small storage cabinets, luggage, backpacks, toolboxes, and other furniture with double handles. This added versatility makes it perfect for everyday use, whether for securing your bike, motorcycle lock, or personal belongings. Anti-Theft Design to Protect Your Valuables The anti-theft design of this bike u lock ensures that your bike, motorcycle, and other valuable items are safe. Whether you're in a busy city or a public parking lot, using this bike lock or motorcycle lock can significantly reduce the risk of theft and provide peace of mind during everyday use. The U lock is 11cm long, compact, and easy to carry, perfect for commuting and travel. Features a five-digit combination for increased security, eliminating the hassle of keys. Made of zinc alloy and steel for durability and rust resistance, perfect for long-term use. Suitable for bike lock, motorcycle lock, and ebike lock, providing security for various needs. Can be used for securing bikes, motorcycles, storage cabinets, and more, offering flexibility and reliability.