Durable: Made from chrome-plated steel to keep your items from falling off the edges fof wire shelving while maintaining visibility of stored contents Simple: This ledge secures on the front, back, or sides of shelving with easy slide-in installation The shelf must be at least 4" below top of post for maximum ledge stability For use with Metro-style wire standing shelving - NOT compatible with Closetmaid-style wire closet shelves Shelving Inc. has been providing high-quality products over 60 years to help you make better use of your space, whether you need storage for the house or your place of business. Shelving Inc. has been serving business and industry storage needs since 1960. We offer the finest quality storage products available to furnish your industrial storage space including rivet shelving, metal shelving, and pallet racking. Our catalog includes hard-to-find sizes of shelving and racks that can bear the heavy weight of rated loads, making them the best choice to assist in space allocation and material organization. Best of all, they're created with ease of installation in mind to make building, adjusting, and fitting into your kitchen, basement, office, garage, industrial space, or warehouse a breeze!