Soft Ruler Microscope Micrometer Calibration Slide Line Width Particle Diameter Measurement Tool High Precision Film Point Gauge

Battery Included : No High-concerned chemical : None Magnification Ratio : 500X & Under Drawtube : Monocular Certification : None Material : Plastic Origin : Mainland China Model Number : High Precision Film Point Gauge Soft Ruler Brand Name : KOQZM Theory : Stereo Microscope