Yosoo 10X 28mm Mini Three-Folding 10X Magnifier Zinc Alloy Magnifier Magnifying Glass with Scale for Textile Optical Jewelry Tool Magnifying Glass of compact design and excellent optics With scale and measurement in inch and mm units Folding and standing design, provides a fixed focus, used for counting threads, stitches, or measuring small parts, great for watch industry, jeweler, woven fabric Comes with a pouch to protect your magnifier 10X magnifications, Color: Black, Material: Zinc Alloy + Optical Glass. Lens Diameter: 28mm/1.1 inch