Consists of four chrome wire shelves, posts, donut bumpers and 5” casters. Overall height is 69”. Optional back and side ledges are available. Additional shelves may be ordered. Solid and wire shelves can both be used on the same cart. The cart load rating for carts with rubber casters is 600 lbs., and the card load rating for carts with polyurethane casters is 900 lbs.