General description For locking hard to reach water pump pulleys on Audi and Volkswagen engines where air conditioning is not fitted. This tool is also useful for power steering pumps. Technical specifications Manufactured from carbon steel (S45C) Equivalent to OEM VAG1590 Compatibility and accessories Applications include: Audi 80, A4 Volkswagen Golf, Passat, Polo & T4 Usage Can be used with a 1/2" square drive breaker bar or similar