?puroma puroma lock box combination key lock box, wall-mounted portable storage lockbox for keys with resettable code, outside safe security box for house, apartment, office key storage (1 pack, gray) 1 gray is up for auction in Tools & Home Improvement. The current bid is $1.50, 88% below the $12.99 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.