Precise Coolant Tester 0-10% hand Held Refractometer
REF-101
Quickly and easily test cutting fluid concentration.
Save on coolant and tool wear by manufacturing proper dilution.
Complete easy to use instructions and case included.
Can also be used to check the coolant of a car.
0.2, 0.1% min, division, calibrate with water.
Precise Coolant Tester hand Held Refractometer
