10mm-1.25 thread to test through glow plug port on various Kubota engines. Also for: Toyota and Nissan 2.2L, 2 and 3 cylinder Mitsubishi and Ford Escort 2.0L.
10mm-1.00 thread to test through glow plug port. For ALH and BEW series engines Hose easily connects to adapter to make testing easier in restricted areas.