Durable Construction: Made from Jinan green stone, this Height Gauge guarantees consistent accuracy and long-lasting durability with its alkali-resistant properties and sleek surface. The electroplated hard metal enhances its strength. Fast and Accurate: Equipped with a dual-chip sensor, this device delivers reliable precision and quick measurements. It includes a marble base, holder, digital meter, and user manual for easy operation. Interchangeable Probe Head: The Height Gauge comes with a 2.5M removable cemented carbide head for simple probe replacements. Additionally, it features a USB interface for convenient data transfer to a computer. Adjustable Design: Easily modify rod height and testing position for optimal results, while the dual-chip sensor ensures rapid and precise readings. Service ：We value your shopping experience! If you have any questions, please contact us, and we will respond within 24 hours.