Features: High accuracy. 3 types for you to choose. Waterproof and dustproof, high reliability. Come with switch, mm inch conversion, 1-button clear. High quality material, rustproof and anti-corrosion, durable in use. Specifications: Material: Stainless Steel, Metal Accuracy: 0.001 Type and Base Size: 62mm: Approx. 98x24x9.5x28mm/3.86x0.94x0.37x1.10in 98mm: Approx. 62x24x7.5x28mm/2.44x0.94x0.30x1.10in 0-12.7mm: Approx. 118x57x28mm/4.65x2.24x1.10in Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Digital Indicator 1x Base