Quantity breaks on case pricing available. 4" Gridwall Hook. This 4" metal gridwall hook is made of 1/4" diameter wire and finished in chrome. Our gridwall hooks can be used with any of our 3" on center standard gridwall panels or slatgrid panels. Display your store's merchandise in an organized way with our Chrome 4" Gridwall Hooks. Please call for a personalized price quote on 15 or more cases of chrome 4" gridwall hooks. In stock.