Pomona Black, Red Test Connector Adapter With Brass contacts and Nickel Plated - Socket Size: 4mm

The Pomona Double Banana Plug With Binding Posts Converts Double Banana Jack Test Instruments to Binding Posts for test versatility. Banana Plugs can be stacked vertically or horizontally. Wires, spade lugs and pin tip plugs can be attached by means of the insulated knurl thumb knob.

Insulated knurl thumb knob is captive to prevent misplacement
Banana Plugs feature Nickel/Gold Plated, Beryllium Copper for tarnish resistance & long insertion life