Features: Detachable reticle scale plate, used to measure the actual size of objects very conveniently,Lens can be adjusted. Focal length-Adjustable height (focal length) from 55mm to 66mm according to your different requirements. Reticle scale plate-Detachable reticle scale plate, used to measure the actual size of objects very conveniently,Lens can be adjusted. magnify maps, newspapers, or magazines with ease with this lovely magnifier, for ideal chioces for seniors, hobbyists, stamp collectors, jewelers, reading maps, and specific detail watch repairs Our customer service team can help solve all the customer complaints. Specifications: Material: Metal for Case, Plastic Components, 3 Sets of Optical Glass Lenses Height: 55-66 mm/ 2.17-2.6inch Diameter of Lense: 45mm/1.77inch Magnification: 10X Color: As Picture Shows Package Includes: 1 Pcs Magnifying Glass note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you place order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!