Features of Puyueo mechanical code cabinet Lock 1.Durable & Sturdy 2.Keyless, Convenient & Security 3.Consisting of 4-bit cipher wheels, with a total of 5040 combinations, Provides higher security 4.An emergency opening key is also provided to operate. 5.Suitable for wooden and steel cabinets. Specification: Cutting size is 7.35cm*2.05cm, cupboard thickness 1.15cm or steel board thickness 0.08-0.1cm. Package: 3 locks, 6 identical keys and accessories in package. 100% satisfactiond Puyueo is providing 100% Satisfaction services. Customer satisfaction is our first priority, if you have any question, or you are not satisfied with our products, pls feel free to contact us on message, we will reply you at the soonest possible.