73840 Headband Magnifier, designed for precision and versatility in magnification. This innovative tool features three separate lenses, conveniently housed within the unit, allowing users to seamlessly switch between four different magnification strengths. With Lens A providing 1.8x magnification, combining Lens A with Lens B offers 2.3x magnification, while pairing Lens A with Lens C provides 3.7x magnification. For maximum magnification, utilizing all three lenses together achieves 4.8x magnification, ensuring clarity and detail for various tasks. The Velcro adjustable headstrap accommodates all sizes, offering a comfortable and secure fit. Additionally, Lens B is hinged and sprung, allowing it to be clipped behind Lens A when needed, providing flexibility and convenience during use. Experience enhanced precision and ease with the 73840 Headband Magnifier, your reliable tool for detailed work and close examination.