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 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 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 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 sensitive spaces like children ’ s rooms 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