Accuracy dial (Dial Test Indicator): Smooth-adjusting bezels enable easy setup with high sensitivity and stable, reliable accuracy for precise measurements. Accuracy measuring meter (Dial Indicator): Convenient for measuring narrow or concave objects, and for internal and external diameters, offering versatile measurement capability. Shockproof dial gauge: Simple structure for easy use and maintenance; lightweight and portable for convenient handling in the workshop or on site. Dial gauge: Provides accurate measurement with high sensitivity and rapid response capability for fast readings in inspection tasks. Use scenarios: - Mechanical setup: align shafts and fixtures in machining centers, and verify runout to ensure smooth operation. - Quality inspection: measure external and internal diameters, and bore tolerances on small components. - Field maintenance: portable checks during on-site repairs or assembly where access is limited.