Retractable belt barrier technology used for quick closure of docking doors, elevators, escalators, bathrooms, wide aisles, corridors, lock out/tag out of down equipment, electrical rooms creating an Arc Flash Boundary, and many other uses. Designed to be surface mounted for use when floor space is limited ? attaches to multiple surfaces. Wall Mount Kit includes: Head Wall Mount, Wall Receiver, 6 Wood Screws, 6 Wall Anchors, and 4 Zip Ties.