Clear plastic Triple Lens Magnifier has three magnifications:. The large circle is 2X, the medium circle is 6X, and the smallest circle is 8X. Great for close examination in the field for bugs, rocks, minerals, plants, and anything else you can find! Indoors you'll find it useful for hobbies like sewing, model building, and stamp collecting, just to name a few. Small and sturdy, you'll want to keep one in the first aid box for sliver removing. Dimensions: 2X lens = 25 mm (1') Dia., 6X lens = 16 mm (0.63') Dia., 8X lens = 13 mm (0.5') Dia.. Length = 100 mm (4').