Basic Information: Weight: 100g Material: ABS metal acrylic optical lens Magnifier size: about 72 x 75 x 45mm 2.8 2.95 1.8inch Lens size:75 x 28mm 2.95 1.1inch Multiples: 1.5X, 2.5X, 3.5X Type: hands-free replaceable magnifying Package Included: 1 x Magnifier 3 x lens platesIt's a ideal tool for stitching, knitting, craft, engineering model, manicure, sculpture and art, jewellery repair, watch repair, reading, stamp collection, any other hobbies which may require detailed observation. Hands-free Magnifier: you only simply clip onto the frame of your existing glasses, it fit all spectacles or sunglasses. Easy to use, perfect for any fine detail work for which you want to keep both hands free. Compact Portable: magnifier size: about 72 x 75 x 45mm 2.8 2.95 1.8inch, portable size is easy to carry and store. Can great for eye conditions such as aging eyes, macular degeneration and the elder. Glass Lens Plates: It comes fitted with 3 inter-changeable 1.5x, 2x, 2.5x, 3.5x glass lenses plates to give you the desired level of magnificationm, provides you with a clearer view. Hight Quality: Made with quality ABS and metal, lightweight, non-toxic and eco-friendly. Acrylic optical lens is not easy to break, anti-fog, anti-dent. Soft rubberized clip design to protect your glasses.