Features: 4-dial combination lock design for increased security. The lock can be set to your own combination code. Rustless, waterproof, lightweight lock for indoor and outdoor. With a steel shackle, strong and durable. Combination code can be reset as often as you want, with up to 10000 different combinations It can be used on warehouses, doors, van, closets, etc. Specification: Material: Brass Color: Shown As Pictures Size: Approx. 52 * 25 * 105mm / 2.04 * 0.98 * 4.13inch Weight: 228g Type: Locks Package List: 1 * Lock Note: Step 1: Leave dials at the opening combination 0-0-0-0 and pull out shackle. Step 2: Turn shackle 180°and press down as far as it will go. But before press down the shackle, please be aware that the key way on the shackle must align up to the notch on the lock body. Step 3: Holding shackle pressed and set the dials to your own combination. Step 4: Release shackle and return to regular position. Your new lock will now open to your personal combination.