This subject comes up with far too greater regularity causing I suspect raised eyebrows from many old school folk. Hopefully we can put this thread and others to bed with the quote from MWS who supply the centre lock wire wheels to MMC:
There are no recommended torque settings for spinners and the exact number of turns will vary from one vehicle to the nextGiven the shape of spinners why does anyone think when used as originally intended there ever would be

. Common sense needs to prevail, so the handbooks "hammer tight" should be sufficient advice.
I will admit to using one of Lionel's aluminium tools to save cosmetic damage to spinners but only with a 700mm breaker bar. The removal tool I carry with me is shorter still but I can still just manage to undo in an emergency away from garage.