Specifications:

• Certification: NONE
• Origin: CN(Origin)
• X: 25.4 mm (1 inch)
• Weight: about 139 g
• Product Type: Micrometer
• Not including the eyepiece: yes
• Model Number: MS-1-SET1
• Material: optical glass
• Magnification: NONE
• Item Name: microscope calibration
• Brand Name: WALLY SKY
• 1 set including 6 pieces: yes