Hands-Free Magnification: This clip-on magnifier attaches securely to eyeglasses, providing 20X magnification for detailed tasks while keeping your hands free. PLEASE NOTE: GLASSES NOT INCLUDED Applications - It is really perfect to do the identification of jade jewelry. And you can read small prints and closely inspect plants more. It can be adapted to different applications and fields, such as: industrial use (watch making, jewelers), coins and stamp collectors, geography, circuit boards and printing, gardening, education, home and office, travel, etc. Suitable for all ages from children to old men. Ideal for antique Lovers, elderly people reading, appreciating paintings and prints, students learning experiments. Versatile Design: 6x4x4cm/2.4x1.6x1.6inch. Lightweight and compact, the magnifier is suitable for reading, hobby work, inspection, electronics repair, and more. Easy Attachment: Featuring a sturdy clamp mechanism, the magnifier securely clips onto most eyeglass frames without slipping. Quantity issued: 1