Diamond Plate Shelf - (12" to 23") Choose your LengthPlease choose your desired shelf length from the drop down box. Multiple Shelves or Different Sizes: If you'd like to order multiple shelves or shelves with different lengths, please select the first shelf length, then click add to cart then select the other length(s) and add them to the cart. You can change the quantity of each size shelf by selecting the quantity field for each item in the shopping cart. Description: Improve the look and