CNC Coolant Testing Refractometer 0%-35% Coolant Mini ATC Measuring Tester
https://www.ebay.com/itm/392885267417https://uploads.tapatalk-cdn.com/202...c81793a21f.jpg
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CNC Coolant Testing Refractometer 0%-35% Coolant Mini ATC Measuring Tester
https://www.ebay.com/itm/392885267417https://uploads.tapatalk-cdn.com/202...c81793a21f.jpg
Sent from my ONEPLUS A6010 using Tapatalk