"Industrial Wire Shelving Starter Kit, Add-On Unit, Extra Wire ShelvesStrong welded wire construction. Open design permits air circulation, sprinkler penetration and reduces dust accumulation. Shelves adjust in 1"" increments. Powder coat finish for long wear. 72"" high. Snap-together clips; assembles without tools.Industrial Add-On UnitUse with Industrial Starter Kit (SAF5285), sold separately. Includes four wire shelves and two posts. Extra Shelves (SAF5287), sold separately.48"" Wide18"" DepthShpg. wt. 53 lbs.Black"