The Add-On Shelves by Quantum Storage are a versatile and practical solution for expanding your existing Starter kits. Designed for modular configurations, these Add-On kits allow you to optimize storage space with flexible options, including side-to-side, back-to-back, and right-angle (L-Shape) arrangements. Each kit comes complete with 2 posts, 4 or 5 shelves, and 8 or 10 S-Hooks, making it easy to create seamless extensions. Additional shelves and posts can be purchased separately for further customization. With a load capacity of 600–800 lbs. per shelf, these units provide reliable performance for heavy-duty storage needs. Available in a variety of finishes, including Chrome, Stainless Steel, Green Epoxy, Gray Epoxy, and Black Epoxy, these Add-On shelves are designed to blend seamlessly into different environments. Please note that units with Add-On kits are stationary and cannot be made mobile, ensuring stability in fixed setups. Whether for industrial, commercial, or residential use, the Add-On Shelves offer a customizable and dependable storage solution to meet your evolving needs.