This fish tank stand features a heavy duty steel frame with powder coated rust proof waterproof finish ensuring stable wobble free support for 30 to 40 gallon aquariums up to 990 lbs. The 3 tier design with adjustable shelves that move up and down 3 inches provides versatile storage for fish accessories books or decorative items. Measuring 48 by 18 by 39 inches this stand includes floor protection pads and easy bolt free assembly with rubber mallet tools.