--Folded structure to save shipping cost, easy assembly and disassembly. --Dual gas struts for easy lid opening & closing. --Shelf for storing mostly used tools and easy access to the tools. --Power tool, screw driver, wrench and can holders help to organize tools well. --Optional LED light for better visibility. --Heavy duty 6x2 inch spring casters, 2 rigid & 2 swivel with brakes for more weight capacity and easy mobility.