Quickly and accurately check compression on petrol engines. Thread sizes:M18*1.5,M14*1.25,M12*1.25,M10*1.0 N.W.:19,G.W.:20QTY:16MEAS:47×31.5×43.5Quickly and accurately check compression on petrol engines.Thread sizes:M18*1.5,M14*1.25,M12*1.25,M10*1.0 COMPRESSION TESTER KIT