This 3X Hand Held Non-Illuminated Rectangular Magnifier has a high quality bi-aspheric acrylic lens that is 4 inches by 3 inches wide (100-75mm). It's long handle is easy to hold. There is a hole in the end of the handle where you can attach a string, cord, or lanyard if you wish to hang this magnifier around your neck or on a nearby hook.
This is a very nice 3X rectangular magnifier at a very reasonable price. A great sturdy, durable, and lightweight tool for simple tasks.