This high security 16 gauge steel lockbox mounts under the rear seat Driver side in an F150 Crew Cab with the subwoofer. The formfitting design of the Tuffy lockbox has over 2740 cubic inches of lockable storage. It's secured contents are easily accessed by flipping the rear seat up. The innovative mounting system only accessed from inside the box when unlocked allows the entire lockbox to be removed in seconds, without the need for any tools, when extra floor space is needed or to store the lockbox and locked contents in an alternate location. Featuring Tuffy's Pry-Guard Locking System with a 10 tumbler double bitted security lock with built in weather seals. Mounts inconspicuously under the seat out of apparent site of would be thieves. Is quickly and easily installed using the factory hardware without drilling.