SATRA  S-31CTK is petrol engine compression tester with a good readable DUAL COLOR SCALE GAUGE (0-300PSI/kPa). Set comes with flexible extension (490mm) with connectors, Angle- & Straight- RUBBER push on connectors. Quick coupler with air release button.

Display packed in handy storage case.

Set includes:

4 x threaded adapters with rubber sealing.

M10 x 1.0, M12 x 1.25, M14 x 1.25, M18 x 1.5.

1 x dial