Optivisor Magnifier 8" Working Distance 2-1/2X Orders over $100.00 are usually shipped within 24 hrs of receipt (excluding weekends). The estimated delivery dates showing on Amazon are usually delivered much sooner than the dates shown. Features a dial adjustment headband to fit any head size. Well-made magnifier is lightweight and durable, and fits over eyeglasses. Adjustable pivot assembly on visor can be set to desired tension, so it will stay in place when tilted. Free Shipping!!! Used by Professional Jewelers