ALL FOUR GENDER COMBINATIONS — Includes BNC male to dual banana male, BNC male to dual banana female, BNC female to dual banana male, and BNC female to dual banana female—four different adapters, not four identical pieces. ONE KIT FOR CHANGING TEST SETUPS — Move between BNC instruments, BNC cables, banana-plug test leads and binding-post connections without buying each gender combination separately. FOR LAB AND BENCH TESTING — Connect compatible oscilloscopes, signal generators, multimeters and DC power supplies for measurement, signal injection and temporary test-lead setups 4MM FORMAT WITH 19MM SPACING — Dual banana interfaces use 4mm connections on 19mm centers. Female binding-post versions can accept compatible banana plugs, spade lugs or bare wire; verify your equipment spacing before ordering. CHOOSE THE CORRECT ADAPTER — BNC male plugs into a BNC female port; BNC female accepts a BNC male cable. Banana male plugs into compatible 4mm sockets, while banana female accepts 4mm plugs. Includes four adapters; cables are not included. BNC Binding Post Banana Adapter