Cold-Chek Disc-Type Anti-Freeze Tester

Features and Benefits: Large professional-size (16 1/4") tester is accurate at all temperatures Tests coolant, hot or cold Easy to read discs are magnified by convex design of the clear SAN plastic barrel Protection scale is printed in both Celsius and Fahrenheit Beyond 70% anti-freeze, cooling and corrosion effectiveness ....(more info)

Cold-Chek Propylene Glycol Anti-Freeze and Coolant Tester

107 Propylene Glycol Anti-Freeze Cold-ChekΖ Coolant TesterFeatures and Benefits: Tests RV type anti-freeze used in boats and recreational vehicles. Number of floating discs measures degree of protection at any temperature, discs are temperature compensated. Readings in Celsius and Fahrenheit ....(more info)

Universal Radiator Petcock Socket

423Universal Radiator Petcock Socket.Features and Benefits: Used to open and close petcocks used in radiators, engine blocks, liquid storage tanks, etc. Can be used with 1/4-inch drive ratchet or 7/8-inch wrench. O-ring on socket helps hold wrench in place, allows one hand operation in confined areas. Prevents damage to ears on petcock. Tw....(more info)

Cold-Chek Professional Anti-Freeze Coolant tester

Features and Benefits: Sixth Ball shows overprotection with rugged safety shield Thexton's professional model and the most popular Cold-ChekΖ. Design and function are the same as No. 101, but with an important difference. The 102 has a rugged, chrome plated safety shield of ABS plastic. Comes with vinyl case imprinted with instructions ....(more info)

Cold-Chek Propylene Glycol Anti-Freeze and Coolant Tester

100Cold-ChekΖ Propylene Glycol Anti-Freeze and Coolant TesterFeatures and Benefits: For use on automotive, recreational vehicles and boats. Tests freeze protection of propylene glycol-based antifreeze to -50 degrees F. Balls will float to show freeze protection. Temperature compensating for accurate readings at any temperature, hot or cold. ....(more info)

Cold-Chek Anti-Freeze Coolant Tester

101Cold-ChekΖ Anti-Freeze coolant tester Features and Benefits: Tests to -34? -indicates optimal 50/50 mixture The original ball-type, specific gravity tester.  Ideal for garage or service station.  Special 6th ball shows overprotection and loss of cooling protection.  Fast and easy to use.  Number floating balls....(more info)