Features: Waterproof and oil resistant dialling indicators with 0.001mm accuracy, large LCD display, and multi functional measurement capabilities for thickness, depth, and height in demanding environments. Features a copper sleeve measuring rod for smooth sliding stability, fixed vertical positioning, and dust sensitive responsiveness to ensures repeatable accuracy in mechanical measurements. Ideal for accuracy focused professional including mechanical engineers, quality inspectors, and manufacturing technicians requiring reliability dimensional verification tools. Perfect for workshop applications, laboratory testing, and maintenance scenarios requiring depth measurement in narrow grooves or height assessment of irregular surfaces. Ergonomic lift cap design enhances operational comfort during extended use, while the durability ABS construction withstands industrial environments with splash accuracy. Specifications: Materials: ABS Weight: 200-300g Function: Waterproof | Oilproof Accuracy: ±0.001mm Display methodic: Large screen LCD digital display Package Includes: Dialling table/dialling table × 1 note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you will not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.