Donegan Optical Company Inc. AL-S1 Optivisor 4-Lens Optical Magnifier Set

The perfect magnification set for your office home workshop or while doing crafts The headband is adjustable and leaves your hands free. Tilts up for convenience. Can be worn over prescription or safety glasses.

This package contains optical visor with one 3 diopter magnifies 13/4X at 14 inches one 4 diopter magnifies 2X at 10 inches one 5 diopter magnifies 21/2X at 8 inches and one 7 diopter magnifies 23/4X at 6 inches. Made in USA