The Eagle Group MUK18-Z is a high-density mobile unit kit designed for efficient track shelving storage. This system features the Master TrakĀ® overhead track, accommodating 18"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 EAGLEbriteĀ® zinc for enhanced durability and corrosion resistance. Please note that shelves are sold separately.