Organize your home or office with our Seville Classics UltraDurable 5-Tier Commercial-Grade NSF-Certified Steel Wire Shelving System. Shelves features steel wire design for strength and ventilation. Constructed from industrial-strength steel finished in a durable black epoxy powder coat with assembled dimensions of 48" W x 18" D x 75" H on wheels (72" H on leveling feet). Each tier is adjustable at 1" height increments along 1" diameter metal shelving poles/posts for a personalized storage solution. Includes 3" casters (2-locking) allowing for easy positioning. Leveling feet also included. The rack is certified by the NSF to NSF/ANSI Standard 2 - Food Equipment, for commercial use. Each shelf holds up to 800 lbs. when on leveling feet (4,000 lbs. total across the unit). When using the 3" wheels the weight capacity is 500 lbs. total across the entire system. This shelving is designed for multipurpose use in restaurants, kitchens, garages, workshops, warehouses, offices, classrooms, and homes. Easy assembly with no tools required.