10 double tri-fold magnifying glass (metal frame, with pointer, with light)
specifications:47mm×φ30

measuring range25 * 25mm

the advantages are: foldable, easy to open, easy to carry, and the lens is anti-image radiation lens, the base is marked with scale and pointer., turning the nut pointer will move at 1.1 points, as the pointer moves, it can be counted within a certain length.( per centimeter or per inch) the number of yarn roots of textile, you can also observe the size and size of the item..

It is a necessary tool for personnel engaged in textile industry., with it, you can easily count the warp and weft density of the fabric., it makes it extremely easy for you to calculate the cost quotation..

It can also be used as an identification instrument for antique stamps, etc..