3. Higher quality glass fixed grid, stable, and high accuracy 4. Quick display of the measured value on LCD screen, no over-speed error 1. Hardened stainless steel main scale and measuring jaws 2. knurled locking screw for more convenient measurement and reading 5. With power button, automatic power off, waterproof IP54;6. Zero-setting at any position, mm/inch measurement system conversion, Manufacturer: PokFhgur