- Precision Measurements: Achieve high precision with measurements accurate to 0.01mm. This gauge has a measuring range of 50mm to 160mm, featuring a movable probe at one end and a replaceable probe on the other, tailored for different apertures. - Versatile Functionality: Ideal for measuring workpiece diameters, this professional cylinder drill gauge is a must-have for hobby machine builders and mechanics. It is widely applicable for measuring various automotive parts or cylinders and is perfect for testing ovality or out-of-roundness effortlessly. - Durable Construction: Crafted from high-quality stainless steel and plastic, this inner diameter gauge ensures longevity and reliability. The dial gauge is equipped with carbide-tipped contact points, providing enhanced wear resistance and durability. - Comprehensive Package: The package includes 1 dial gauge, 12 interchangeable probes, 2 accessory kits, and 1 ABS storage case for organized storage. We are committed to providing high-quality, professional-grade parts backed by exceptional service. For any inquiries, please contact us via email, and we will respond promptly. - Practical Applications: - Use this gauge to measure the inner diameter of engine cylinders for precise fitting. - Ideal for automotive technicians assessing the dimensions of various components during repairs. - Perfect for hobbyists building custom machinery who require accurate measurements for their projects.