Our popular VaultLOCKS® 3100 Alpha Lock Box keep keys secured, yet easily accessible Our 3-digit, real estate Lock Box 3100 model hangs from any door knob, fence, railing or pipe so you can keep door keys right where you, a client or worker can get to it. No tools are needed to install; first enter the combination, then pull to open the lockbox, lift the shackle and hang it up. Clear sleeve protects shackle against scratches, and a door guard rubber bumper protects surfaces. Black. Set your own combination: the Lock Box 3100 is preset with an "OCN" combination code, but you can easily change it at any time. Tumbler letters used in our alpha Lockbox are: Tumbler 1: O – A – S – P – W – N – M – H – F – C – L – D Tumbler 2: C – R – F – M – H – A – O – I – L – P – D – U Tumbler 3: N – O – M – G – L – Q – T – S – D – R – E – C
