Small/Mini Adapter allows you to go from an [S] interchangeable tip to an [M] interchangeable cable.
Large/Small Adapter allows you to go from an [L] interchangeable tip to an [S] interchangeable cable.
Made of stainless steel Small/Mini adapter will allow you to go from an [S] interchangeable TWIST/SPIN tip to a MINI interchangeable TWIST cable.
Large/Small adapter allows you to go from an [L] interchangeable TWIST/SPIN tip to an [S] interchangeable TWIST/SPIN cable