The item is a portable and practical double magnifying glasses loupe, which is designed for easy handsfree use with interchangeable headband. It can adapt to different objects with 4 pairs of different and replaceable magnification lens. Features - Color: Black. - Material: Plastic, metal, acrylic optical lenses. - Size: About 19 x 14.6 x 6cm. - Lens magnifications: 10X, 15X, 20X, 25X. - 4 different magnifications, to adapt to different objects. - If this magnifier is used for long time, you may use two lens barrels alternately to visual fatigue and improve work efficiency. - Replacement headband, stable and no falling. - 4 different magnifications can be interchanged quickly. - Widely used in mechanical processing, electronic repair, jewelry appraisal, watch repair, repair and miniature engraving, etc. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 1 x set double eye magnifying glasses loupe kit