Durable Powder Coat Paint FinishReversible for Left or Right Handed OpeningsThree Tamper Proof Security Butt HingesCRL Columbia Security Doors are engineered to the toughest standards with commercial grade all steel construction. They provide some of the most durable security doors available, with several designs to choose from. Each door features 24 gauge (expanded/perforated) mesh, double hole security lock boxes with extended plates and full length fly straps that do not impede the door's security. This door has a full length intruder resistant fly strap and also includes a double hole security lock box with extended plate. Hardware sold separately. Minimum order one each.