Features and Benefits:

• Tests to -34? -indicates optimal 50/50 mixture
• The original ball-type, specific gravity tester
• Special 6th ball shows overprotection and loss of cooling protection
• Number floating balls measures degree of protection
• Temperature compensating for testing with engine hot or cold

Accurate to -34 degrees F, indicating optimal 50/50 mixture Special 6th ball 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 Fast and easy to use.