1pc Professional Accurate Refractometer Cutting Fluid Tester Meter (Cutting Fluid Tester, 2)

1、This refractometer features high accuracy and easy operation. 

2、A professional measuring instrument, accurate test result. 

3、Easy to read by the clear calibration. 

4、Convenient to use, handle is comfortable to hold and non-slip. 

5、There are three types, cutting fluid testers in different ranges and salinometer that you can choose.