This wire shelf divider will secure any food item being displayed. The black fence separator will prevent products from rolling off. This wire shelf divider has a 30" length and different size sides on the L shaped design. Use the guard at the 4" height for lower profile items and invert to the 6" height for larger and bulk items. The exterior is epoxy coated to prevent rusting and keep your presentation spotless. The dividers can be used in refrigerated cases to separate frozen foods, produce, deli and meat products.