NOW SOLD!! NO LONGER AVAILABLE
Re-posting this as had a buyer who changed their mind. Now including the jack and wheel brace for anyone interested and upped the price to £75 Had it new with the car in 2016 for my 18" wheeled Connecta but on measuring it is 17" across the diameter but I nevernoticed when I used it the once. Used once for less than 2 miles. Will have to collect from GU9 Surrey I'll take £75 for it. I'm . Possible prepared to drive a few miles to meet if it helps.