The outside of the Microvault is constructed of heavy-gauge steel with soft foam on the inside to protect the pistol. High-strength lock mechanism performs reliably time after time. Precise fittings are virtually impossible to pry open with hand tools. Built-in computer blocks access after repeated invalid keypad entries. Conveniently located keypad is easy to use. Mounts almost anywhere. Four pre-drilled holes on bottom of vault. more info