The Black Diamond CarbonLock Cup Holder adds convenient, grab-and-go storage to your CarbonLock modular setup. Designed to mount directly onto the exterior accessory rails of CarbonLock toolboxes, it keeps your drink secure and within reach while you work. With a 10 lb. load capacity, it fits most standard-size cans, cups, and bottles, helping you stay hydrated and organized without cluttering your workspace. Built from heavy-duty impact-resistant polymer, it’s made to handle tough demanding jobsite, workshop, and garage environments. It’s a simple upgrade that makes your CarbonLock modular storage system more functional each workday. Get Locked In with Black Diamond CarbonLock.