The Eagle Group MUK36-Z is a high-density mobile unit kit designed for use with 36"D shelves in the Master TrakĀ® overhead track shelving system. This kit includes sturdy 74" posts and durable 5" casters with poly tread for smooth mobility. Each mobile unit requires one kit, supporting a robust capacity of 900 lbs. The EAGLEbriteĀ® zinc finish ensures enhanced durability and corrosion resistance. Please note that shelves are sold separately, allowing for customizable storage solutions. All necessary parts and hardware are included for easy assembly.