Usage Tips:Ample Quantity with Perfect Size: the package includes a generous amount of 200 magnetic 3D scanning points stored in a handy plastic box; The size of these 3D scanner dots is specifically designed to efficient scanning; With an inner diameter of 6mm and outer diameter of 10mm, these dots feature perfect dimensions for capturing complex details. Material: this set of 3D Magnetic Tracking Dots is crafted from soft magnets, ensuring the strong magnetic force that adheres easily to any metal ; Presented in a classic black and white shade, these markers offer quick identification, suitable for 3D scanners and white light scanners Easy Reusable: these 3D magnetic tracking dots are remarkably convenient to use; Boasting a strong magnetic force, it is easy to stick and peel them from the ; The robust and nature of the dots makes them usable multiple times, enabling efficient 3D scanning for 3D printing High Reflectivity for Accurate Scanning: these 3D scanning points are made of highly reflective materials to excellent reflectivity; This significantly improves scan registration accuracy, ensuring that even the most intricate details can be captured with greater precision; This is absolutely essential when working with high precision using most 3D scanners Wide Application: these 3D scanning dots are not only suitable for 3D printing but also indispensable for optical mapping, machine vision and other areas; They work well with 3D scanning , proving to be an irreplaceable calibration tool; With their wide applicability, these are nice for industrial and consumer-grade 3D scanning, reverse engineering detection, meteorology and more Color: As shown Material: plastic Package Contents: 200pcs x 3D Magnetic Tracking Dot Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.