Feature: 1. Size and Quantity: Each sheet includes 50 reflective markers, with a 6mm inner diameter and 10mm outer diameter. These markers boast high reflectivity, tear resistant, and water proof properties for dependable use. 2. Working Principle: Our reflective markers utilize a bright reflective film with aluminum coated glass beads, printed via silk screen to create accurate hollow reflective points for high scanning accuracy. 3. High Accuracy: Designed for featureless objects, these markers enhance reverse engineering, automotive parts inspection, and jewelry analysis, ensuring accurate alignment for dependable data collection. 4. Easy to Use and Remove: Featuring a sticky foil design, our markers can be effortlessly applied and removed, providing a seamless experience for both professionals and beginners in their scanning tasks. 5. Versatile in Various Scenarios: Suitable for 3D motion catch and gait analysis, our markers effectively reflect light emitted by data devices, facilitating accurate point processing for enhanced tracking capabilities. 6. Optical Accuracy: Our 3D optical tracking markers are indispensable tools for optical mapping and machine vision, enabling effortless point retrieval and accurate calibration in various applications. Specification: Item Type: 3D Scanning Marker Material: PET, Reflective Film Size: Inner Diameter: Approx. 6mm / 0.24in Outer Diameter: Approx. 10mm / 0.39in Thickness: Approx. 0.15mm / 0.006in Quantity: 15 sheets (1 sheet 50pcs) . Package List: 15 Sheet x 3D Scanning Marker(50 markers per sheet)