Best Seller | Quantum Storage Chrome Add-On Kit 86 in. H Unit - 4 Shelf Each Add-on Kit is supplied with 2 posts 4 shelves and 8 S-hooks. Starter kits fitted with Add-on Kits cannot be made mobile. Kits can be configured in straight line back to back or at right angles. Chrome finish is stable and can be used in dry... more | | $309.68 FREE shipping go to store |