Sixth Ball shows overprotection with rugged safety shield
Thexton's professional model and the most popular Cold-Chekr
The 102 has a rugged, chrome plated safety shield of ABS plastic
Also used to test Dex-Coolr
Comes with vinyl case imprinted with instructions
Accurate to -34 degrees F, indicating optimal 50/50 mixture Special 6th disc shows overprotection and loss of cooling protection Ideal for garage or service station Bulb and long dip tube makes this tester fast and easy to use.