Aesthetic Shelves: The perfect design upgrade to traditional track shelving, the 4-Tier Premium Shelving Kit is a user focused adjustable wall shelving system with everything you need to create a functional, sophisticated space.. Elegant and strong, this rack can hold up to 80lbs per shelf evenly distributed (40lbs per shelf arm).. Customize Your Space: Connectors allow you to combine shelving kits to create an affordable, scalable wall shelving system.. The customizable shelf arms can be adjust