How is This Magnifying Glass? Perfect for the Elderly, Young and Amblyopic Great Magnifier for Seniors, Children and Those Who Have Low or Impaired Vision of Most Types. It's Excellent for Reading Books, Newspapers, Magazines, Maps, User Instructions, Etc and Other Close Works, Such As , Watchmaking, Handcraft and Exploring. Specification: Color: Black Material: Plastic Glass Magnification: 20X Size: 3.7 2Cm 1. Good in Transparency Andng in Impact Resistance. 2. It is Made of Double Glass Lens, and It is Light in Weight, High in Magnification, 3. the Eye Clamp Magnifiers Are Mainly Used for Watch Repairs, Fine Arts and Crafts Operation. Quantity: 1Pc Note: Transition: 1Cm10Mm0.39Inch Please Allow 0-1Cm Error Due to Manual Measurement. Pls Make Sure You Do Not Mind Before You Bid. Due to the Difference between Different Monitors, the Picture May Not Reflect the Actual Color of the Item. Package Includes: 1 X Magnifierthe Shatter Resistant Lens with No Smeaand Bluron the Images. Clear Distortion-Free Magnifying Lens. High-Precision Glass Lens Brings Subtle Details. Scope of Application: Student Field Trip, Identification, Inspection and Maintenance, On-Site Observation, Suitable for Children, Adults, Seniors, Amateurs and Professionals. Satisfaction Goal: Our Goal is to Provide Creative, Innovative Products So That Everyone Can Have Quality, High-End Enjoyment. We Are Committed to Making Sure You Love Your Purchase, So If for Any Reason You Are Not Satisfied, Please Contact Us and We Will Make Things Right. Material: Optical Lens, Scratch-Resistant, Abrasion-Resistant.