About This WHY MASTERLOCK: Large key lock box has solid metal body built to resist tampering and manipulation COLOR AND FINISH: Gray metal with weather-resistant black cover and rubber bumper that protects surfaces from damage or scratching KEY LOCK BOX DIMENSIONS: 7.7 in x 3 in x 2.2 in. body, 1.8 in x 1.4 in shackle with .4 in diameter EASY TO INSTALL, USE AND TRANSPORT: Lock box has simple set up process, quick, one-step operation and a removable shackle to use across listings, rentals & other properties BUILT-IN BIN: Lock box for keys protects keys and access cards in place to prevent jamming when opening and closing EASY-TO-USE HIGH CONTRAST DIALS: Lock box for keys offers readable, easy to grip, and widely spaced dials - works easily even with gloves on PERFECT FOR PROS: This is the key safe for job sites, rental properties, Airbnbs and other places that need additional storage for keys, fobs and access cards Overview Brand : Master Lock Special Feature : Combination Lock Lock Type : Combination Lock Item dimensions L x W x H : 2.2 x 3 x 7.7 inches Material : Metal