10Pc Tens Lead Wire Adapters For 2mm Pin Female to 3.5mm Snap Connector Adapter
(10pcs DC Plug 2.0mm to 3.5mm Snap Adapter Short Cables Electrode Lead Wires. 3) The female pin connector (2mm) can be connected to your lead wire (male pin), and the snap connector end will be connected to your snap-connection electrode pad.