Duo-Balls Related categories: Duo-Balls & Multi-Ball System Part No Name Pack Size Weight Price Qty T543013 TOWBALL DUOBALL 50MM BALL ONLY EA 0 KG 31.51 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. Related Products Towballs VIEW OPTIONS Duo-Balls & Multi-Ball System VIEW OPTIONS TOP