The Master Lock 5420D Key Lock Box for Knobs and Door Handles, Adjustable Shackle & Resettable Combination makes it easy to secure almost any property or door, either temporarily or permanently. This small lock box includes an adjustable shackle for secure use on almost any type of door hardware (knobs and door levers and more), which means you can purchase enough for multiple properties and know they'll fit. It also allows taking the lock box for keys between properties with ease. This key lock box cinches tightly and securely to most types of lever styles and the metal body is durable against the outdoor elements. The portable key lock box provides a secure storage location for spare keys, fobs and access cards. Master Lock's Limited Lifetime Warranty provides peace of mind from a brand you can trust. Color: Black. Material: Aluminum.