The DS-50GL, 3x Handheld Mangifier with 6x Spot Lens has been designed with simplicity in mind. Its top mount thumb rest promotes a more natural hand position, creating balanced weight distribution between lens and handle. The lightweight design is perfect for extended reading times. It features a comfortable, ergonomic handle design with thumb groove. The full rim protects the magnifier, making it the perfect accessory for reading, hobbies and crafts and everyday activities.