This red resettable combination lock features a 4-number combination for heightened security, with 10,000 possible combinations. Its easy-to-use design includes large numbers and a side window for effortless operation. Crafted from heavy-duty zinc alloy and hardened steel, it's weatherproof, rust-resistant, and tough against cutting and sawing. Suitable for indoor and outdoor use, it's perfect for gym lockers, school and employee lockers, cabinets, toolboxes, gates, garages, sheds, and more.