The Triplet Loupe Pocket magnifier X10 17mm is a high quality eye loupe designed for detailed work in jewellery making and other crafts. It comes with a robust leather carry case. Magnification: 10x Lens diameter: 17mm Glass lens Chromed metal housing Eyelet on the housing (you can find the suitable necklace on this page) Magnifier has leather carry case Recommended uses: Geology, botany, electronics industry, mechanical engineering, watchmaking..