Compact Brake Fluid Tester HT663L with High Sensitivity Probe and Case

Model: HT663L. 1 HT663L Brakefluids Tester. Easy to Read: TheN C Brakefluids Tester has a high-sensitivity probe and an audible alarm to display the results instantly. Easy to Carry: TheN C Brakefluids Tester has a well-constructed compact case that fits your hand perfectly.

eBay