100mm Magnifying Dome- What a great way to show off! Perfect for jewelry, rocks, fossils, coins -- just about anything you want to magnify! The glass magnifying dome has a clear glass bottom and is held on by small magnets. Put anything under this dome and it will magnify about four to five times! Includes a handsome gift case and the rounded 4 inch diameter (100mm) Magnetic Magnifying Dome. Click here to Contact Us Product Number DOM3