The Winco wire shelf is a strong and reliable storage solution. Its heavy-duty construction and chrome-plated finish make it NSF certified for both dry storage and heated environments. The bright finish also discourages dust and dirt accumulation. Easily mix-and-match the various sizes to fit any need, and no tools are required for assembly. The shelf features a capacity of 850 lbs. per shelf andwithstands temperatures from -100F to 500F. Must be purchased inmultiples of two (2) and has four (4) sleeve clips included.