Use this Avantco 19354546 left shelf holder for top shelf as a direct replacement for the shelf holder that came standard with your BCT-48, BCTD-48, BCT-60, or BCTD-60 bakery display case. This is what holds and supports the shelves and ensures safe and reliable use of the shelving when displaying your products. This part is designed to be used only for the left side of the top shelf of compatible display cases.