Durable Construction: Made from Jinan green stone, this Height Gauge is designed for accuracy and longevity, featuring alkali resistance and a smooth surface. Its electroplated hard metal enhances its strength. Fast and Accurate: Equipped with a dual-chip sensor, this device delivers precise measurements quickly. It includes a marble base, a holder, a digital meter, and a user manual for easy operation. Removable Alloy Head: The Height Gauge features a 2.5M removable cemented carbide head for convenient probe replacements, while the USB interface allows for simple data transfer to your computer. Adjustable Design: Effortlessly modify the rod height and testing position for optimal results, supported by the dual-chip sensor for quick and reliable readings. Service ：We value your shopping experience! If you have any questions, please contact us, and we will respond within 24 hours.