Designed to connection new metal bed frames with old headboards / footboards or vintage headboards onto modern frames, saving the cost of purchasing an entirely new bed setup for twin or full size beds Simplifies setup with pre assembled hook plates; none measuring, drilling, or screws required, just attach the bolts, hanging the brackets, adjust the height, and secure it onto your bed frame ’ s crossbeam Includes 4x 711 model adapter brackets, 16 screws, 8 nut, and necessary hardware ( bed frame and headboard not included), making it ideal for DIYer upgrades, rentals, or noise sensitive spaces like children ’ s rooms Features elongated vertical slots in our 711 model bolt to hook conversion brackets, allowing flexible height adjustments to fit various headboard sizes seamlessly without complicated modifications Built with 25% thicker steel than standard brands and finished with rust resistant electrophoretic black coating for enhanced durability, resistance, and long term reliability in humid environments, Manufacturer: Kaeltsyn