1、Aluminum alloy construction protects the box from being damaged by hammer, saw, drill and so on, impact-resistant and durable 2、High security. This product is an adjustable combinations lock with 4 dials. It can be converted to non-resettable mode for extra securit 3、The box has enough space to store valuable things like keys, house cards and so on. 4、Includes a waterproof protective lid, removable and convenient to use 5、Widely applied to home, factory, office, warehouse, shops, health club and other commercial areas. Features: Aluminum alloy construction protects the box from being damaged by hammer, saw, drill and so on, impact-resistant and durable. This product is an adjustable combinations lock with 4 dials. It can be converted to non-resettable mode for extra security. The box has enough space to store valuable things like keys, house cards and so on. Includes a waterproof protective lid, removable and convenient to use. Widely applied to home, factory, office, warehouse, shops, health club and other commercial areas. Specification: Condition: 100% Brand New Material: Aluminum Alloy Color: Black Product Size: 12.4*8.3*3.9cm/4.88*3.27*1.54in Package Weight: Approx. 506g/17.85oz Package Included: 1 x Key Box 1 x Instruction Note: It is not recommended to use a "A-A-A-A" combination that is easy to crack.