some idiot forgot to put the pin back on the combi hitch on the pick-up after dropping off a compressor

the original pin had a reduced part on the main shank & it's replacement hasn't
i now know why the pin was reduced after trying to collect a new compressor (400cfm


ended up using the van to collect it, lucky it was just round the corner as it was a wee bit over weight for the van at 1900kg
