Product Line:OTC Coolant and Battery Refractometers
Summit Racing Part Number:OTC-75240
Quantity:Sold as a kit.
Notes:Scale range: 32° F to -60° F.
In-Store Pickup:Choose In-store pick-up (OH, GA, NV) on our web site.
OTC coolant and battery refractometers measure the freezing point of either propylene or ethylene glycol-based cooling systems. Another use for these OTC tools is to check the strength of electrolyte solution in batteries. OTC manufactures these units with high-quality optics and ultra-smooth focusing on the body.