Industrial Overhead Door Safety Locks and Track Mounted Door Restraints Automatic Overhead Door Locks provide a simple and effective solution for securing overhead doors while enhancing workplace safety. Designed for warehouses, loading docks, distribution centers, manufacturing facilities, and maintenance buildings, these door restraint systems automatically engage to help secure doors in the closed position and lock doors in designated raised positions along the track. By reducing the risk of unexpected door movement, they help protect personnel, equipment, inventory, and facility infrastructure. Key Features & Benefits The spring-loaded locking mechanism automatically engages when the door reaches a designated lock point, providing dependable door security without complicated operation. A pull-rope release allows quick disengagement when access is needed. Reversible locking plates can be installed at multiple locations along the overhead door track, allowing users to establish preferred locking positions based on operational requirements. Heavy-duty steel construction and a durable baked-in powder-coated finish provide long-lasting performance in demanding industrial environments.Models & Specifications Model # Description List Price DR-LOCK AUTOMATIC OVERHEAD DOOR LOCK 5 X 6.5 $134.43 Frequently Asked QuestionsHow do I choose the right model? Each Vestil model number encodes the size, capacity, and configuration shown in the specification table above — match those figures to your application requirements.Are certified drawings available? Yes. Certified approval drawings and compliance certificates are available per model number on request.WarrantyBacked by Vestil's 1-Year Limited Warranty against defects in materials and workmanship.