ULTRA-PRECISION LASERS ENGRAVING, CLEAR READING: High-precision lasers engraved scale on this Inside Micrometer ensures delicate and error-free measurements, with OLED dual-mode display (digital/pointer) for fast and accurate reading, featuring a resolution of 0.0005mm and a measuring range of 0-25mm
OLED INTELLIGENT DUAL DISPLAY, FLEXIBLE SWITCHING: The high-definition OLED screen supports digital/pointer dual interface, clearly visible under strong light, with ±0.04mm scale range to meet high-precision inner diameter measurement needs for the Inside Micrometer
SMOOTH RATCHET MECHANISM, STABLE: Precision ratchet knob design provides a comfortable feel, reducing measurement force error; carbide measuring surfaces are fine-ground, making this Inside Micrometer wear-resistant and impact-resistant for long-term high precision
HEAT INSULATION GUARD + LOCKING DEVICE, ANTI-DEVIATION: ABS high-strength heat insulation guard resists high temperature and deformation; built-in locking device fixes measurement values, avoiding movement error to ensure stable and reliable data for the Inside Micrometer
PORTABLE ALUMINUM ALLOY BOX: Packaged in a precision instrument-grade aluminum alloy box, this Inside Micrometer is shockproof and dustproof, including the main body for professional use in workshops and laboratories