This wrench has been manufactured from pressed steel hardened, tempered and chrome plated with PVC dipped handle. For the removal of thermo-viscous fans fitted to Ford and GM (Vauxhall/Opel) vehicles.

This product is for testing methanol and ethylene glycol with green and white scales. Green scale should be used when the engine is hot and white scale should be used when the engine is cold. Manufactured with a glass tube, PVC bulb and spout.

This tool can be used to test the ethylene glycol anti-freeze density, and the six floating discs enable accurate reading in both celsius and fahrenheit. This model is capable of testing both hot and cold coolant strengths.