These metal dividers for shelving have a white epoxy coating that won't rust. The 27" fence separator will give you years of impeccable presentation. These metal dividers keep a neat and clean area in and around your display. Guard your food items from rolling off and creating messes. The L shaped design has a 12" and 8" height that can be inverted for different needs. The dividers can be used in refrigerated cases to separate frozen foods, produce, deli and meat products.