High Security 4 Digit Aluminum Alloy Combination Lock Safe Key Box With Hook Features: The entire lock body is crafted from aluminum, ensuring it never rusts, and there is no keyhole susceptible to corrosion. Features a multi-layered dial with 4 digits, offering enhanced security and convenient password setting. Easy to operate, eliminating the need to carry keys, with no keyhole for added theft prevention and high safety. Applications: Ideal for storing house keys, car keys, credit cards, USB flash drives, and more.