Magnifier - Reading Glass, Diameter 50 mm-EIS-PH0506B offers a thoughtfully designed, durable resource for hands-on learning. Reading magnifying glass with 50mm diameter and a 15cm focal length Comfortable plastic handle is easy to hold Good aid for reading, or examining detail Lens can also be used to focus light Great tool to keep in the lab or around the house When things are just too small to see clearly, a magnifying glass is just the tool needed to catch the details. The handle is made of a comfortable plastic, and the lens is manufactured to be held at a comfortable viewing distance from the subject. Its small size makes it unobtrusive and easy to pick up for quick reference.