The Amsec BF gun safes are also known as American Security BF gun safes whose body encloses a proprietary Dry Light insulation. Amsec BF gun safes have the following features: 2″ total wall thickness on all sides, All Amsec BF gun Safes feature two layers of steel consisting of an outer and inner steel liner for dual security protection, American Security BF series features 4 pre-cut anchor holes and 1 electrical outlet,The Amsec BFII gun safes were awarded the U.L. Residential Security Container (RSCII) burglary classification. All American Security BF gun safes have a ½” (3/8″ on the BF6024 and the BF7250) (BFII safes have 1/2″ doors on all sizes) steel plate doors combined with 1″ Dry Light insulation, 11 massive 1½” thick locking bolts to provide superior door security, Amsec BF Gun Safes feature an ETL fire protection of 1200 degrees for 120 minutes, all American Security BF gun safes have a unique mirrored back wall in the interior of the safe. Be sure to check out the best selling size the BF6030 along with all the other sizes, BF6024 (closet sized safe), BF6032 (closet sized safe), BF6636, BF7240 and the BF7250. All available as the standard BF gun safe or the upgraded BFII gun safe.