Specifications:

• Type: Concentric Semi-circles Reticle Angle Calibration
• Thickness: 1.2 mm
• Product Type: Micrometer
• Model Number: MS-1-JE
• Measurement: 180 degree Angle Measurement
• Material: Optical Glass
• Magnification: NONE
• Item Name: Microscope Eyepiece Micrometer
• Diameter: 20 mm
• Brand Name: YEGREN