This Dual Power Handheld Magnifier features glass lens with 3x magnification, shaped like a tennis racket, plastic lens magnifier on handle and compass mounted in handle. Large Lens Diameter is 3 1/2”  with Magnification of 3x, Handle Lens is 1” with Magnification of 8x. The uses are endless, Home, Office, Hobby, Fine Detailed Work, Map Reading, Jewelry, Watches, Coins, Stamps, Ect....