Safco Products 5276BL Commercial Wire Shelving 36" W x 18" D Basic Unit (Extra Shelves 5243BL sold separately), Black Commercial wire shelving unit 36"W x 18"D x 72"H Four open wire shelves reduce dust accumulation Rated up to 500 lbs. per shelf (2,000 lbs. per unit), shelves adjust in 1" increments Steel construction with durable powder coat finish, adjustable leveling feet with plastic caps Optional Extra Shelves Safco Products Model 5243BL, sold separately are Packed 2 per carton