1. COMPACT PRODUCT SPECIFICATIONS You will receive a black retractable helmet cable lock that extends up to 1.5 meters. The steel cable has a diameter of 4 mm (including coating). Thanks to its lightweight and compact design, it fits easily in your backpack, saving space for daily trips. 2. QUALITY MATERIALS The lock head is made of durable aluminum alloy with strength and craftsmanship. The steel cable is cutresistant, waterproof, and rustproof, effectively preventing scratches. The 4digit combination lock offers numerous code options for maximum security and operates smoothly. 3. EASY PASSWORD SETTING Set the initial password to '0000,' then turn the dial in the direction of the arrow to your desired code. Rotate the lock again in the arrow's direction to confirm the change. Remember your password, as the lock will secure automatically after setting. 4. WIDE APPLICATIONS Ideal for securing helmets, bicycles, strollers, skis, motorcycles, scooters, doors, fences, sports equipment, and toolboxes. This versatile lock meets various needs and is for everyday use.