About this item 1,Dual ways access – with keys and combination easy to open and close the lock. 2,Suitable for wooden or steel material.this code lock is ideal for tool box, cabinets, drawers, mail box, cupboard,school lockers. 3,Consisting of 4-bit cipher wheels, with total of 5040 combinations, provides higher security. 4,Emergency opening key is also provided to operate even if forgotten of the password codes that previously set. 5,Cutting size is 7.35cm*2.05cm,cupboard thickness 1.15cm-1.8cm or steel board thickness 0.08~0.1cm. › See more product details