Andrew wrote:

ARW wrote:

Chris Green wrote:

Is there any sensible way to tighten SWA gland earthing ring nuts?

Hammer and large flat screwdriver?

Would one of those semi-circular spanners used many moons
ago to tighten the bottom bracket nuts on a bicycle do the
trick ?.

A bit expensive, but there's this which is for conduit bushes, but would
it also suit gland nuts?

https://thebushsocket.com