Sentry model F3300 safe. Key lock with 2 keys. 1.3 cu ft internal capacity. As per specifications the safe was tested at 1700 degrees for 1 hour, interior remained below 350 degrees. Testing also submerged safe under water for 1 hour with no water leak inside. Exterior dimensions 15 1/8"H x 18 1/2"W x 21 1/4"D Interior dimensions 14 1/8"H x 17 1/2"W x 20 1/4"D Weighs about 42 lbs Bought in 2004