Fold It Up And Take It With You! This 2.5x Power Magnifier Folds To The Size Of A Paperback Book. The Lens Is 4 1/4 Inches In Diameter. This One Goes Everywhere! Great For Close-up Study. Ruler On The 2Sides Of The Bottom Part Are Both Metric (100mm) And Sae (4"). Folds To 6 1/2 X 5 X 1 1/2 Inches

* This magnifier has 2X power magnification, and weighs about 4 ounces

* The glass lens measures 4-1/4 inches in diameter

* The black plastic frame is easy to fold away for storage or travel

* Unit measures 6-1/2 X 5 X 1-1/2 inches when folded

* Includes 2 rulers-one is SAE and the other is metric