About this item High Security4 Dial Adjustable Combination Locks. It can provide 10000 combinations. Don't hide your keys under the doormat, keep your keys safe in the Key Safe Box! Easy to Operate: Comes with pre-drilled holes, 4 screws and 4 nylon expansion wall anchors, easy to install on any solid surface. Perfect for elderly parents or anyone who forgets to carry a spare house key. Large Capacity: The large space can protect 5 keys. When you go to work or vacation, you can put your house/car keys and cards in it. Durable Material: This key lock box is made of aluminum alloy and heavy-duty steel, which protects the box from hammering, sawing or prying. In addition, the use of environmentally friendly paint is harmless to the human body. Wide Application: This lock box can be installed on walls/doors/peepholes or other secret places like wardrobes to keep your keys more secure. Also, you can use this case to protect jewelry or other valuables. See more product information High security4 dials adjustable combination lock. It can provide 10000 combinations. Don't hide your keys under the doormat, keep your keys safe in the Key Safe Box! Easy to Operate: Comes with pre-drilled holes, 4 screws and 4 nylon expansion wall anchors, easy to install on any solid surface. Perfect for elderly parents or anyone who forgets to carry a spare house key. Large Capacity: The large space can protect 5 keys. When you go to work or vacation, you can put your house/car keys and cards in it. Durable Material: This key lock box is made of aluminum alloy and heavy-duty steel, which protects the box from hammering, sawing or prying. In addition, the use of environmentally friendly paint is harmless to the human body. Wide Application: This lock box can be installed on walls/doors/peepholes or other secret places such as wardrobes to keep your keys more secure. Also, you can use this case to protect jewelry or other valuables.