“Tic tac” sized pieces allow you to join two or more cables together. [S] coded connectors fit onto all [S] coded cables. [L] coded connectors fit onto all [L] coded cables. MINI connectors (Item #2501-M) only work with the MINI cables and tips. Item #2501-AM is our NEW Interchangeable Adapter. Made of stainless steel this adapter will allow you to go from an [S] interchangeable TWIST™/SPIN™ tip to a MINI interchangeable TWIST™ cable. We also have an adapter to go from an [L] interchangeable TWIST™/SPIN™ tip to an [S] interchangeable TWIST™/SPIN™ cable. Item #2501-A.