Ball Fittings: Create a stylish railing system with our wide selection of ball fittings and railing connectors. This T-cross connector provides a ball fitting mount look to your brass railing. Made of 100% solid brass this railing connector has a polished finish which requires some maintenance to keep a bright polished look.This ball fitting connector has 5 openings. Sold individually, fits tubing size 2 in. diameter.