Ample Quantity with Perfect Size: The package includes 100 magnetic 3D scanning points stored in a convenient plastic box. These 3D scanner dots are designed for efficient scanning, featuring an inner diameter of 12mm and an outer diameter of 19mm, providing ideal dimensions for capturing complex details. Material: This set of 3D magnetic tracking dots is made from soft magnetic material, offering strong adhesion to metal surfaces. The classic black and white design allows for quick identification and is compatible with various 3D scanners and white light scanners. Easy to Reuse: Featuring strong magnetic force, these 3D magnetic tracking dots can be easily attached and removed from metal surfaces. Their durable construction supports multiple uses, making them suitable for repeated 3D scanning tasks including 3D printing applications. High Reflectivity for Accurate Scanning: These 3D scanning points are made of highly reflective materials, enhancing reflectivity for improved scan registration accuracy. This helps capture fine details with greater precision, which is beneficial when using high-resolution 3D scanners. Wide Application: These 3D scanning dots are suitable for a range of applications such as optical mapping, machine vision, industrial and consumer-grade 3D scanning, reverse engineering, and more. They serve as reliable calibration tools and are compatible with various 3D scanning systems. Color: As shown Material: Composite material Package Contents: 100 x 3D Magnetic Tracking Dot Note: Light reflection and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3cm.