Space Saving And Practical, This Double Loupe Set Features 2 Separate Lenses (5x And 10x) Mounted On A Common Post With An Attachable Clip. Can Be Mounted On Eye Glasses For Extra Magnification. 7/8″ Diameter Lenses, Chrome Finish. Lenses have 5 x and 10 x power magnification-you can use one or the other or combine Rubber tipped clip …