Duo-Balls Related categories: Tow Balls Part No Name Pack Size Weight Price Qty T543013 TOWBALL DUOBALL 50MM BALL ONLY EA 0 KG 30.1500 ADD TO CART All prices exclude GST Available Limited stock Build to order Out of Stock DetailsVideo Change your Towball size in seconds! Each kit contains one 1 7/8” ball and one 50mm ball. TOP