I have personally used the Shurlok Lockbox for close to 5 years. The ratings guide below is based off of my experience as a homeowner, Real Estate Investor, and the experience of those that I personally...
The Masterlock 5400 D is the newest entry into the family of lockboxes and seems to be the best entry yet. (They have only been on the market about a year) Upon viewing this lockbox initially I didn't think it...
The Shurlok Operates on a patented system of two groups of combinations. One Combination opens the shackle (Initial Factory Setting on 0-0-0-0)The second combination opens the sliding Key storage door...