General description This 2pcs Combination Lock features a 4-digit heavy-duty carabiner design, perfect for securing bicycles, motorcycles, luggage, helmets, backpacks, travel gear, and gym lockers. Made from high-quality zinc alloy, this lock is sturdy, reliable, and built to last. Technical specifications Material: High-quality zinc alloy Combination: 4 digits Password combinations: Up to 10,000 Usage Set a custom 4-digit code for easy access Reset your code at any time for added security Unlock by rotating the locking disk to the set code Other information Fashionable D-shaped design for easy grip and one-handed operation Anti-corrosion and anti-rust properties for durability