Features 1、Size 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. 2、Accuracy 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. 3、Easy 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. 4、Application 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. 5、Necessary 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. Specification Item Type: 3D Scanning Marker Material: PET, Reflective Film Product Size: Inner Diameter: Approx. 3mm / 0.12in Outer Diameter: Approx. 6mm / 0.24in Thickness: Approx. 0.15mm / 0.006in Performance: High reflectivity, strong adhesion Quantity: 10 sheets (1 sheet 56pcs); Total 560pcs Package List 10 Sheets x 3D Scanning Marker(1 Sheets 56Pcs)