Mastercool 3705 Air Coolant Refractometer PSI BAR kPA Hard stamped markings provide quick

Hard stamped markings provide quick size identification

Overall Length 7-1/2 In

Rated output torque of 2

150 mm length 3/8" drive in 45 mm

Built for repeated use in demanding shop environments

Mastercool 3705 Air Coolant Refractometer PSI BAR kPA Hard stamped markings provide quickThe Mastercool 3705 Air Coolant Refractometer is a precision optical instrument designed for measuring the concentration of coolant and antifreeze mixtures. Built for professional automotive and industrial applications, it provides quick and accurate readings to ensure proper fluid protection levels. Its compact, handheld design makes it easy to use in shop environments, and it is supplied with a protective storage case for safe transport and storage.