Sturdy and Durable: This carabiner is made of high-quality zinc alloy with exquisite workmanship, and the combination lock is sturdy and reliable. Solid alloy material, anti-corrosion, anti-rust, more durable and long-lasting Resettable Password: The password of this carabiner is 4 digits and can store up to 10,000 password combinations, so it is difficult to crack. Simply set a 4-digit code of your choice, and you can also reset your own custom code at any time, bringing you more peace of mind in your daily life. Easy and Simple Unlocking: The carabiner adopts a digital code of the locking disk, just rotate the disk to the set digital code to open the lock. The locking wheel is equipped with an ingenious sliding device, which rotates smoothly and unlocks directly and quickly. Fashionable Appearance: This carabiner adopts a humanized D-shaped design, which is easy to grip and can be opened quickly with one hand Widely Applicable: This combination carabiner is perfect for securing