Where a straight rail continues through a point and a branch ties in at a right angle, the Ball Tee joins all three 1" OD tubes in one cast piece — a pass-through axis, a perpendicular outlet, and a decorative ball at the joint. It's the mid-run connector for a stair rail with a landing branch or a bar rail with a return. The three tube ends seat inside the ball, so you cut the straight lengths and let the fitting hold the branch angle. Cast in polished brass for traditional and restoration rails, it pairs with the matching elbows, crosses, and single-outlet fittings in the same 1" ball line.