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