Head magnifier,1.5X,2X,2.5X,3.5X Head magnifier Spec.: 1.5X,2X,2.5X,3.5X, ABS, To use it with single piece of lens. Be suitable for medical loupe, repair of watch, camera, cell phone and other subminiature parts and observing curio, stamps and other microminiatures.Packing term: Single be packed in blister card, 6pcs be packed in one middle box, 24 pcs per carton.