--Stainless steel shell makes the unit more durable and premium. --Drawer inners of powder coated steel. --Open till for better visibility and easy access to tools on top compartment. --Dual gas struts for easy lid opening. --Chest lid stiffener to increase rigidity. --Safety drawer locking system to prevent drawer from sliding out accidentally. --100LB ball bearing drawer slides open and close smoothly & easily. --Heavy duty 5x2 inch casters,2 rigid & 2 swivel with brakes provide safety and easy mobility.