Quality Optics - Optical Glass Lens Head Visor Magnifier Jewelers Loupe Binocular (4-in-1 Set)

Professional Grade Headband Magnifier Precision binocular headband magnifier provides hands-free magnification. Can easily be worn directly over safety or prescription eye glasses. Specs/Features: OPTICAL GRADE Polycarbonate Lenses are bevel edged & interchangeable (unit includes a 1.5x, 2.0x, 2.5x, 3.5x lens). Fully adjustable comfort band is padded with orthopedic felt for super soft comfort, visor swings up when not in use Conforms to all head sizes with a turn of the knob, no uncomfortable buckle Durable yet lightweight HIGH QUALITY ABS Construction POSTED WORKING DISTANCE OF LENSES ARE APPROXIMATE AND CAN VARY SLIGHTLY WITH THE USER'S VISION, HEAD SIZE/SHAPE AND OTHER FACTORS.