End Stop - Aluminium - 12mm 12mm aluminium end stop. Also known as swage stop or ferrule stop. No minimum order, buy 1 or many! Qty: 1Finish: AluminiumSize: 12mm (opening)Dimensions: 27mm x 27mmWeight: 28 grams End stops (swage stops or ferrule stops) are available in various sizes. View the range. Shop end stops (swage stops or ferrule stops) and other balustrade supplies online. Delivery or 'click and collect' is available from East Keilor, Melbourne (Victoria, Australia) - select option at checkout. If you need product advice, have any questions or looking to buy a large quantity or different variation, email or call us on 03 9331 5544.