Features Exquisite workmanship, clear scale, easy to use. 100% new high quality microscope objective micrometer calibration slides. Data accuracy: 1mm total length is subdivided into 100 grids. This microscope micrometer calibration slide will help you quantitatively analyze the microscopic world. It is a simple and practical inspection tool for all departments that use microscopes. Features: -Exquisite workmanship, clear scale, easy to use. -100% new high quality microscope objective micrometer calibration slides. -Data accuracy: 1mm total length is subdivided into 100 grids. -This microscope micrometer calibration slide will help you quantitatively analyze the microscopic world. -It is a simple and practical inspection tool for all departments that use microscopes. Specification: Condition: 100% Brand New Material: K9 Optical Glass Slide Material: Optical Glass Color: Transparent Division Lines: 0.01mm (10mm), 0.1mm Total Length of Image: 1mm with 100 divisions Application: Microscope Objective Micrometer Size: Approx. 76*26 mm / 3*1 in Package list: 1 * Micrometer Calibration Slide Package List