3 key box with pushbutton lock hangs easily on doorknob, fence, railing or pipe. Just open the lid, lift the shackle and hang. No tools necessary. Portable KeySafe is constructed of sturdy metal with protective rubber shell and is guaranteed never to rust. Authorize several people to gain access to your property without duplicating and distributing keys. KeySafe Portable, from the AccessPoint product line, is opened by a combination code that you can update whenever needed. Just change the combination when a crew is no longer needed.