About This LARGE STORAGE RACK SHELF: Our 18" x 48" x 72" 4-Tier metal storage shelves give you ample storage space. Its open sides let you quickly access your items. NSF-CERTIFIED UTILITY SHELF: Our NSF/ANSI Standard 2 compliant wire shelving unit is an ideal storage solution for commercial or home storage. EASY ASSEMBLY: Our wire shelving comes with step-by-step assembly and adjustment instructions. Adjust shelf height by sliding the shelves atop the clips that secure them in place. STURDY: Each shelf is zinc plated helping with rust prevention allowing them to be used as pantry shelves, document storage, or even in moist areas. COMMERCIAL GRADE: SafeRacks set the benchmark for versatility and quality. Our products' structural supports comply with the Shelving Manufacturer's Association guidelines for holding 2000 pounds (500 pounds per shelf). Overview Material : Alloy Steel Mounting Type : Floor Mount Room Type : Bathroom, Dorm Room, Garage, Kitchen, Office Shelf Type : Metal Number of Shelves : 4 Special Feature : Food Safe Product Dimensions : 18"D x 48"W x 72"H Shape : Rectangular Style : Industrial Finish Type : Zinc Plated