750 lb (340 kg) Capacity 5-Tier Unit: Five 16” (40.6 cm) shelves can hold up to 150 lbs (68 kg) each; nested leg design and anchor holes offer added support and security for your safety Interlocking Design: These multipurpose utility shelves feature an interlocking design that lets you easily and securely link together multiple units to expand your storage space Simple Tool-Free Assembly: Lightweight shelving unit features easy to assemble snap-together pieces and can be put together and moved by just one person Durable Resin Construction: High quality molded plastic resin will not rust, dent, stain, or peel and ventilation holes in the shelves allow air to flow freely around your items Made in North America: Oskar’s versatile shelving units are proudly manufactured at the Koolatron facility in Brantford, Ontario by members of the United Steelworkers (USW Local 1-500)