• 22mm / ¾” Optical Grade Element
• Long Life Flashlight Bulb, On/Off Switchable
• 10mm Scale with .01mm intervals & adjustable focus
• Compact, Measures 5 1/4" Long
• Uses 2 AA Batteries NOT INCLUDED, QO-USA Since 2008

 For use by Stamp, Coin, Paper Money and other collectors for Grading And Sizing and in Professional Fields including but not limited to;  Jewelry, Watch Making, Photography, Printing, Dentistry, Surgery, Geology, Biology, Meteoritics, Education, Electronics, Numismatists, Tattooing and many more. designed to measure and provide clear detailed viewing of a full range of materials