The kit is designed to test the compression of petrol engines to ensure proper performance. 

Quick-coupling gauge fitted with Ø63mm gauge reading up to 300psi and 20kg/cm².

8pc set included 

• 2pc 130mm straight and angled push-on connectors, 
• 1pc 400mm flexible extension
• 4pc 10, 12, 14 and 18mm deep thread adapters
• Ø63mm gauge