1. 360-degree full measurement in 4 directions
2. When the inclinometer is upside down, the angle reading on the LCD will automatically flip upwards for easy reading
3. Precise stainless steel measuring structure
4. Can be recalibrated without any special tools and equipment
5. Multi-purpose measuring tool, three-in-one protractor, inclinometer and spirit level
6. A 3-volt battery can last for 3000 hours
7. Optional measuring surface (stainless steel): a, ordinary measuring surface b, with magnetic measuring surface c, widened measuring surface d, widened measuring surface with magnetic e, V-groove measuring surface with magnetic (suitable for cylindrical surface ) f, with 2 threaded bottom hole measuring surface (suitable for fixing on the machine)
8. Optional measuring surface (aluminum alloy): g, upper and lower widening measuring surface h, upper and lower widening measuring surface with magnetic
GVDA Digital Protractor GD450M:
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