1.5X \ 2X \ 2.5X \ 3.5X Optical Head Loupe Helmet Head Band Magnifier 

Adjustable buckle head wearing tape 

interchangeable lens plates 


Detail :
Color : See picture
Material : Plastic 

Lens Material : Optical Glass

Magnifying Ratio Focus : 

1.5x for 20inches

2.0x for 10inches

2.5x for 8inches

3.5x for 4inches

Note:The focus distance is differ from person with different interpupillary distance, just for your reference.


Include :

1 * Piece Headband Magnifying Glass MG81007-B

4 * Pieces Lense Plates:1.5x,2x,2.5x,3.5x

4 * Pieces Plastic Screw