This fish tank stand features a 6mm thick heavy duty steel frame with powder coated rust proof waterproof finish for stable wobble free support for 20 to 30 gallon aquariums up to 660 lbs. The 3 tier design with shelves adjustable up and down 3 inches provides versatile storage for fish accessories books or decorative items. Measuring 34 x 18 x 31.5 inches with floor protection pads and easy bolt free assembly with rubber mallet tools and instructions.