This unique storage tube was originally used by the U.S. Armed Forces to store and transport ordnance. The locking, airtight lid makes these tubes perfect for storing firearms, ammo, valuables and more. Geocaching pros will love this tube! Also makes a great display piece. Made of heavy-duty steel. These tubes are used, good condition. NSN# 1315-01-599-5332. MADE IN USA. Measures approximately 44.5” x 7” x 7” with a 5.5” interior diameter. Weighs approximately 22lbs.