Wenzhou Sanhe Measuring Instrument Co.,Ltd
Angle Ruler 0-100mm Digital Protractor (5414-100)
1. High resolution 0.05° 2. Zero-setting at any position 3. Measurement range 0-360 degree 4. Strong blade lock can hold the readout securely 5. Reversible reading allowing to filp the display reading to right side up http://www.shcaliper.com/