Integrated Safety Design: Combines a high-strength metal cable with a 4-digit combination lock – integrating item securing and theft protection into one system. Flexible Operation: 4-digit customizable code: opens by dialing the code and operating the switch. Keyless system eliminates the risk of key loss. Wide Range of Use: This 52 cm (approx. 20.5-inch) cable lock is ideal for bicycles, children's bikes, e-scooters, helmets, luggage, or strollers. Compact & Portable: The combination lock weighs only 98 g and is designed to be compact and easy to carry. Strong & Durable: The outer layer of the lock is coated with synthetic rubber, which is rain-resistant and not prone to rusting. The zinc alloy lock mechanism is not easily damaged. Specifications: Brand: ROCKBROS Product: Portable Combination Tie-Down Lock Material: Zinc Alloy Lock Body + Stainless Steel Shackle + Synthetic Rubber Coating Dimensions: 1.6*52*0.4 cm (approx. 0.6*20.5*0.16 inches) Weight: 98 g Color: Black-Yellow