IF NOT A GOOD OFFICIAL THEN A GOOD DOCTOR Dot distances: 50,55,65,60. This product is customized for NDI Reference frame Surgical robot navigation and positioning components connect marker points (retroreflective discs) through an adapter shaft, and are used in conjunction with navigation positioners (NDI high-definition cameras) to accurately locate spatial positions Provide design customization PRODUCT FEATURES Multiple models are suitable for various surgical scenarios VARIOUS MATERIALS: TC4; 6061, 7075, PEI, PEEK Perfect chamfering and streamlined design give a sense of beauty. Before doing a good job, please sharpen your tools first. isoi3485:20i6 I jzartQwj Telephone: 13863229298(WeChat Same Account) Address: Zone A of Zhimao City in Tengzhou Economic