Precision‑made, secure, and designed for comfort, internally threaded balls are the gold standard in modern body jewellery. This collection brings together our premium replacement ends crafted for those who value both safety and style.

An internally threaded ball is a replacement end designed with a tiny built‑in pin. That pin has the threading on it, and it’s engineered to screw neatly into the inside of an internally threaded post.

Think of it as a two‑part system. The post has a smooth, hollow opening with the thread inside. The ball has a small threaded pin that inserts into that opening and twists securely into place.