Since 1968, Graffunder Bishop gun safes and vault Doors have been hand crafted for commercial and residential use. Guided by the philosophy “quality over quantity”, Graffunder bishop gun safes exceed industry standards at every level and in every area. With a specialty in custom work; Graffunder safes has earned its reputation as “the Rolls Royce of Safes”. The Graffunder Safes and Gun Safes are built with B rate, C rate, E rate and F rate bodies and doors, giving the Graffunder gun safes the most and heaviest steel in the gun safe industry today. B-RATE CONSTRUCTION: 1 3/4″ overall body constructed of 1/4″ A36 high tensile steel outer and 14 & 16 ga. inner plates enclosing a high density composite material. 3 1/2″ overall door insulated with U.L. approved insulating material, outer plate being 1/2″ thick A36 high tensile steel. Graffunder Bishop gun safes are highly customizable and tailored to the individual end user. Give one of our safe experts a call and let us customize one of the Graffunder Bishop gun safes today.