The Eagle Group MUK21-E is a high-density mobile unit kit designed for efficient storage solutions. This track shelving system features the Master TrakĀ® overhead track, accommodating 21"D shelves. It includes sturdy 74" posts and durable 5" casters with poly tread for smooth mobility. Each kit contains all necessary parts and hardware for assembly, with one kit required per mobile unit. The system supports a remarkable weight capacity of 900 lbs. and is finished with EAGLEgardĀ® hybrid epoxy for enhanced durability. Please note that shelves are sold separately.