Quickly and accurately check compression on gasoline engines.
Head sizes: M18 x 1.5, M14 x 1.25, M12 x 1.25, M10 x 1.0
With a rare M16 adapter pcs more
0-300psi and 0-2000kpa reading gauge
This compression tester kit fits gasoline engines.

With copper adapter
colour: blue
Material: iron

Package Contents:
2 x rubber cones ends
1 x cylinder compression gauge
5 x Fittings
1 x 14mm spark plug adapters
1 x 18mm spark plug adapters
1 x extension hose