Master Lock's 7148D steel file box and STEELMASTER's fire-retardant security box are both good security boxes that lock with a key, according to Amazon.com. SentrySafe's Safebox and FIRE-SAFE box are also highly rated security boxes.
Master Lock's 7148D steel file box is specifically designed to accommodate hanging files. People can use it to store important documents or small valuables. It has a top handle for portability and a durable steel construction. It comes with two spare keys, allowing more than one person to have access to it.
STEELMASTER's fire-retardant security box is constructed from durable, heavy-gauge steel that has a chip- and scratch-resistant finish. Its double-insulated walls protect the contents of the box from fire damage. The box comes with one spare key.
SentrySafe's Safebox is available in multiple sizes, and it is designed to hold cash. The Safebox has a removable tray that features six separate compartments ideal for storing and organizing coins or other small items. Paper bills fit beneath the removable tray.
The FIRE-SAFE box from SentrySafe keeps small valuables safe in the event of a fire for up to 30 minutes. It is ideal for home and office use. While SentrySafe's Safebox has a fold-away handle, its FIRE-SAFE box has no handle.