Enhance the security of any closet, room, or storm shelter with the SnapSafe Vault Door. Its thick steel construction and easy installation allow an effective and affordable way to protect an existing area from theft and unintended intrusion. Nine 1" locking bolts. Includes a SecuRam digital lock with key backup. For standard 36" door opening- door height 81"; inside clearance width 31.4"; outside width 36.8"; designed for 38" x 82" rough opening.