OV9

Does anyone have a use for one of these? I’ve found it while going through my dad’s things. I’ve no idea how old it is but it’s in great condition and has the instructions. I believe it is a Hawk 620.

@Nefarious ?

Oooh. Quite possibly. My Compact failed its MOT on emissions and I was lamenting the fact it was such a PITA figuring out the problem because it meant a trip to the MOT place to re-test it each time. Let me research whether this is the right thing !

I do actually have one - donated by the manager of the local Kwikfit (along with a whole bunch of other tools they were meant to destroy when the new ones arrived).
Looks roughly like this:


I've never used it though...