The overglasses from Geo-Fennel are a practical accessory for use with line lasers. They are designed to enhance the visibility of red or green laser lines, making work with laser measuring devices more precise and efficient. These glasses are particularly useful in environments with a lot of background light, where laser lines can be difficult to see. It is important to note that these glasses are not laser safety glasses; they are solely for contrast enhancement and should not be used as a protective measure against laser beams. The overglasses are reusable and provide a simple solution to optimize the visibility of laser projections. They are offered in a red color group and are an essential tool for professionals who regularly work with laser technology. The package includes one piece, which is manufactured in China. With these glasses, users can ensure that they see the laser lines clearly, increasing the accuracy of their measurements.