High-brightness PET thickened release film, no light leakage, tear resistance, re-paste Round shape, on sticky foil as a tear-off pad for easy application. Reference point markers do not lose alignment during scanning, and you receive data. Notes reduce the chance of losing track during scanning.By using markers, you don't lose track during scanning, so the process is faster and more predictable.They also ensure high accuracy and reproducibility of results. They address difficulties in the scanning process and in obtaining high accuracy on large objects, Manufacturer: SOYWIM