Features: Multiple Measurements: Measures outer diameter, inner diameter, depth, and step difference. Ergonomic Design: Comfortable grip for stable and efficient handling. Quality Materials: Constructed from premium ABS plastic and stainless steel for durability and lightweight performance. Precision Manufacturing: Ensures high hardness, wear resistance, and consistent accuracy. Large LCD Display: Shows digital readings for quick and clear results. Dual-Unit Scale: Switchable between millimeters and inches. High Accuracy: Calibrated to deliver precise measurements with an accuracy of 0.04 mm. Zero Function: One-button zeroing for fast reset and continuous measurement. Power Source: Powered by one 1.5V LR44 button battery (included), offering low power consumption and long service life. Specifications: Material: Stainless steel and ABS plastic. Power Supply: 1 × 1.5V LR44 button battery (included). Measuring Range: 0–150 mm. Resolution: 0.01 mm. Accuracy: ±0.04 mm. Product Dimensions: Approx. 237 × 77 mm. Package Dimensions: Approx. 24 × 8 × 3 cm. Package Weight: Approx. 280 g. Includes: 1 × Digital Caliper, 1 × Storage Case.