This gauge is a highly accurate
measuring device developed
specifically for woodworking. It can be used to set saw blade and router bit height as well as set the distance from a router fence to the bit.
1. ON/OFF Switch
2. mm/inch Switch
3. Zero Setting
4. Data Output
5. Power: one CR2032 3 V battery
Fractional system: 1/32、1/64、1/128、1/256 is available.