StopBox Pro Full-Size Mechanical Gun Safe – Quick Access Pistol & Byrna StoragePremium Mechanical Gun Safe No Batteries, No Electronics, No Keys The StopBox Pro Full Size delivers instant, reliable access to your firearms and Byrna launchers with a patented mechanical locking system that never fails. Engineered and manufactured in Spokane, Washington, this premium lock box combines child safe security with lightning fast access when you need it most. Patented Mechanical Lock Technology 81 Adjustable Combinations: Set your own