Safety Swing Short Air Coupler - 1/4 Inch 644-502-021-40 - Measures cylinder compression to

- Measures cylinder compression to accurately diagnose engine condition

Engineered specifically for Porsche 911 models from 1989 to 1998

and non-corrosive formula meets OEM specifications

this cap ensures a proper fit and keeps your master cylinder reservoir protected

Safety Swing Short Air Coupler - 1/4 Inch 644-502-021-40 - Measures cylinder compression toSafety Swing Short Air Coupler 1 4 Inch This safety swing short air coupler is designed to provide a secure and safe connection for your pneumatic tools. The innovative "safety swing" mechanism is a key feature, preventing accidental disconnection and "hose whip" to enhance workplace safety. Enhanced Safety: The swing mechanism ensures that the air pressure is released before the plug is fully ejected. This feature prevents a dangerous "hose whip" and