Amazon.com: VTSYIQI Laser Diameter Measurement Meter Tester Laser Diameter Gauge Non Contact Type 0.2 to 30mm Laser Diameter Measuring Instrument Sensitivity 1um Accuracy ±2um : Industrial & Scientific
Dual Axis Cable Wire Laser Diameter Measurement and Control Device (LDM-25XY, LDM-50XY) - China Diameter Control Device and Diameter Measurement Device