Seller: brunobear253 (499) 100%, Location: Cambridge, Ships to: GB, Item: 163146587058 This is an excellent NEW longcase clock key made of solid brass and polished steel crank with a nice dark coloured hardwood/ rosewood handle. As in the title, it has a 4.5mm 'across the flats' internal dimension and is stamped with No11 on the end of the drive shaft. I inherited this winder, along with many other new clock parts, from horologist relative of mine.I will list the other items as soon as I am able. So if you are 'into' clocks have a look at my listings from time to time and you may see other items of interest to you. THEY WILL ALL BE LISTED BELOW THE LOWEST PRICE I CAN FIND ON E-BAY.........WATCH THIS SPACE!!Buy more than one item and save on postage.THE NEW OWNER OF THIS WINDER CERTAINLY WILL NOT BE DISAPPOINTED WITH THEIR PURCHASE. FOR ADDED CONFIDENCE AS TO THE QUALITY AND AUTHENTICITY OF THIS ITEM AND ITS PACKAGING PLEASE SEE MY OTHER ITEMS AND IN PARTICULAR READ MY FEEDBACK RESPONSES. THANK YOU.