M mountmagnetic New member Joined Oct 24, 2013 Messages 1 Mar 25, 2014 #1 Going to invest in a Greenlee punch. 15/16?
useme2305 Well-known member Joined Aug 1, 2010 Messages 294 Location Berlin, Germany Apr 2, 2014 #2 do you want to mount them from the inside? then yup, 24mm.