This chrome shelving is ideal for use in all dry environments including storage room and front of the house. Each unit comes with 4 shelves, 4 posts and 16 pair of split sleeves to hold shelves in place. This chrome shelving is easily adjusted in 1" increments to the spacing of your needs and choice. The unit can hold up to 800 lbs per shelf or up to 2000 lbs per unit. This chrome shelving is NSF listed and has a ten year limited guarantee against corrosion and manufacturers defects.