1Size and Quantity: With an inner diameter of 3mm, an outer diameter of 6mm, and 56 individual reflective markers per sheet, these markers boast high reflectivity, tear resistance and sunproof properties, strong ink absorption, and reusability. 2Accuracy Scanning: Ideal for featureless objects, these markers are ideal for reverse engineering, automotive parts, dental, jewelry, and inspection industries. They ensure accurate alignment throughout the scanning process for reliable data and reference points. 3Easy to Use: Our adhesive foil markers are designed for easy application and removal, providing an easy experience for professionals and beginners alike. User friendly, they guarantee a seamless experience. 4Application Scenarios: Designed for 3D scanners in motion information collection fields such as 3D motion catch and gait analysis, these markers reflect light (usually infrared light) emitted by data equipment for data processing and accurate handling. 5Necessary Tracking Points: Ideal for optical surveying, and more, these markers are vital positioning and calibration tools for accuracy industrial and consumer grade 3D scanning, reverse engineering, quality control, meteorology, and more. 10 Sheets x3D Scanning Marker(1 Sheets 56Pcs)