--Combination of different colors to have a unique look. --Heavy duty material for more rigidity and durability. --Chest lid stiffener to increase rigidity. --Dual gas struts for easy lid opening. --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. --Work top available upon request. --Different colors available upon request.