Stack-U-Rak rack supported stacking system with integral crane lets you make efficient use of valuable floor space. It can be used to protect tools, dies and fixtures or to organize components, subassemblies and work-in-process. It simplifies the handling of heavy items, speeds storage and retrieval, and ends long waits for lift trucks. Integral pallets are vertically adjustable and feature a foolproof engagement design. They are available in a wide range of easily customized styles to meet your specific needs.