Item Type: Key Lock Box Material: Aluminum Alloy Size: Approx.110 x 90 x 40mm/4.33 x 3.54 x 1.57in Features: The key lock box can be protected from hammering, sawing or prying. Application: The key lock box can hold car keys and cards. When you go to work or on vacation, you can put your house keys or car keys inside. Package List 1 x Lock Box 5 x Screw 4 x Expansion Tube 1 x Nut 1 x Gasket 1 x Manual 15 Inch Large Capacity Storage: This key lock box has a larger internal capacity. It can hold car keys and cards. When you go to work or on vacation, you can put your house keys or car keys inside. 2Excellent Aluminum Alloy Material: This key lock box is made of excellent aluminum alloy material, which is strong and wear resistant, and not easy to pry by sawing the box. 3High Security: This a key lock box is an adjustable combination lock with 4 dials. It can provide 10,000 combinations. It can be converted to non resettable mode for extra security. 4Easy To Use: This combination lock box it easy to install and use. You can set your favorite number as the combination. The 4 digit combination is easy to remember and reset. 5Wide Application: This key lock box can be used in many places. It is suitable for outdoor use. It can be fixed on the wall for emergency entry, vacation homes, pet sitters, etc.