I had one of those once, but replacing the wheel solved the problem.A carp barrow
It's a Collin's nets 'telescopic' drysuit, designed for us - and the water fairies when doing RTA recoveries involving water immersion, can't remember the company who actually made the things - just that their workshop was in Sheffield
may have been - unfortunately, when I came off the boats, some kindly soul decided to erase all my files from the onboard system so they were never forwarded on to me.Northern Diver perhaps?