Professional Petrol Gas Engine Cylinder Compression Tester Kit Automotive Gauge Tool

Adapters for a wide number of vehicles (spark plug types/depths)
Includes 2 rubber cones ends for quick check (no need to thread into head)
3″ Gauge has dual color scale with 0-300 PSI, 0-20 kPa
Fittings M10, M12, M14, M18 (Male, With “O” Ring)
Includes 14mm and 18mm spark plug adapters