Neilsen Petrol Engine Compression Tester

Fitted with 65mm gauge having four scales (psi,bar,kg/cm2, kPa), reading from 0-300psi,0-21bar,0-21kg/cm2 and 0-2100kPa.

Includes quick coupling 150mm rigid stem with cone-type adaptor and 320mm flexible adaptor with 14 and 18mm screw in adaptors. Supplied in carry-case with instructions