Feature:1. Equipped with a PU leather case, better to avoid the magnifying glass scratches and damage, easy to use.2. There is a ring at the end of the magnifying glass, which can be connected to a necklace or key chain.3. There is a screw between the cover and the main body of the magnifying glass. You can adjust the tightness of the screw according to your needs.4. Suitable for jewelry appraisal, watchmaker use, geological research, plant tools, model building, antiques, stamp collection, electronic and computer repair, etc5. Excellent material, foldable design makes it easy to use, just pull out the jewelry magnifying glass can be used.Specification:Item Type: MagnifierMaterial: Stainless steel, optical glass lensSize: Approx. 3.5 x 2.4 x 2.5cm / 1.4 x 0.9 x 1inMagnification Times & Model: 10X-21mm / 0.8inHow to use: Open the magnifying glass to use, put the magnifying glass over the object until you can see clearly.Package List:1 x Magnifier 1 x PU Leather Cover 1 x Box