Feel the mood with the Atlas Dream Glass Collection. This line of celestial beauties bring the wonders of the universe directly to your home. The Glass Galaxy Knob is available in a square or round shapes and features a blue, silver and gray undulating design. This is fun and functional, unique and stylish!; 1-Inch and 1 1/2-Inch Screws Included, Diameter is 8/32-Inches; Square Knob; 1 1/2-Inch Length: Galaxy Design; Polished Chrome Finish