Reply To: Weak warning lights › Forums › Site and Forum Issues › Problems › Weak warning lights › Reply To: Weak warning lights May 1, 2017 at 8:23 pm #8705 Derek ReynoldsParticipant Definitely not a common size, at least my 18mm ring spanner seldom gets used. Citroen 2cv’s are quirky like that too, lots of m7 bolts with 11mm across the flats.
