The Metro SMA18A SmartLeverâ„¢ 18" Arm Pair is designed for versatile shelving solutions. This set includes two SmartLever Arms equipped with ArmKeepers for secure placement, four Shelf Mount Hooks for easy attachment, and four Locking Wedges to ensure stability. Constructed to meet NSF standards, this shelving unit accessory enhances organization and efficiency in any storage environment. Ideal for both commercial and residential use, it provides reliable support for your shelving needs.