3) Chaslyn Antifreeze Tester Model 6100 – Made In USA (Lot Of 3)

This is a lot of three brand new Chaslyn antifreeze testers, Model 6100.

They're made right here in the USA, so you know they're decent quality.

These little tools are essential for checking the freeze point of your coolant to make sure your engine is protected.

Just suck up some coolant and check the float.

They're simple, reliable, and mechanical—no batteries needed.

They come in their original packaging.

If you run a shop or just want a spare for each vehicle, this three-pack is a great deal.

Keep your engine safe from freezing with these handy testers.