This 100mm digital caliper offers high-accuracy measurements in both millimeters and inches, making it perfect for detailed work in tight spaces. With a durable build and precise 0.01 mm resolution, it’s ideal for jewelers, model makers, and technicians who demand accuracy without bulk. Measurement Range: 0–100 mm / 0–4 inches High Accuracy: ±0.01 mm / ±0.0005 inches Resolution (Lecture): 0.01 mm Dual Units Display: Easily switch between mm and inches Multi-Function Measuring: Internal diameter, external diameter, depth, step/thickness Re-zero Function: Set zero at any point for differential measurements Locking Screw: Secures measurement for added control and consistency Clear Digital LCD: Easy-to-read display for quick, accurate readings Compact & Durable: Designed for precision in limited spaces and long-term use