3 steel live locking bolts and 3 dead bolts * Meets or exceeds the California Department of Justice requirements for an approved firearm safety device under CA Penal Code section 12087, et seq * Hardened steel plate protects from drill attack * Exterior dimensions: HxWxD 59in x 28.3in x 24.2in / 150cm x 71.9cm x 61.5cm * Interior dimensions: HxWxD 58in x 25.9in x 16.7in / 147.4cm x 65.9cm x 42.3cm