功能

• The square gauge of the square is indicated for each dimension, so it can be d for various purposes.
• Easy inspection and measurement with a magnifying microscope such as a microscope in a pattern for each purpose.
• Made of polyester for easy handling.
• As a calibration (calibration) sheet, it is ful for checking the accuracy of the reference scale and the screen display scale of measuring equipment, and for comparison and proof.
• It is d in many industries as an inspection and observation scale for industrial, schools, hospitals, research institutes and biotechnology.