Add an extra black wire shelf to your existing unit for more room to organize items or pair with1"dia poststo build a storage solution that fits your exact needs. With a sleek appearance and rust resistance, these black epoxy wire shelves are perfect for high-visibility spaces, humid and wet environments, and retail displays. Compatible with 1" diameter posts and wide range of accessories(available here) Sturdy steel construction with sleek black epoxy coating that resists rust and corrosion Open-wire design improves airflow to reduce dust buildup and offers visibility of stored items 8"d and 18"d shelves' wires run left to right, 12"d shelves' wires run front to back Adjusts to preferred height in 1" increments along posts for easy reconfiguration Supports up to 300 lbs (evenly distributed) of inventory, merchandise, and supplies Tool-free installation and repositioning using included plastic shelf clips (securely set or quickly remove shelves with arubber mallet) Suitable for humid and wet environments such as bathrooms and kitchens View ourWire Shelving Size Guidefor actual outer and inner dimensions to see if these shelves will fit with your existing system. Need a different size? See all black wire shelf optionsherefor the perfect fit.