Lots and lots of great responses here and I am honestly in shock at how much effort the community has gone into helping me

I will be back in work tomorrow morning and will investigate further about the actual pin that was already inside the white gear and see if its possible to get out

I really appriciate everyones guidance on this, I know very little about stuff like this, ask me anything IT ill give it a go, but stuff like this, might aswell be blind