ITEM NAME:2x DCC Copper 4mm Banana Female to 2mm Pin Tip Head For Multimeter Test Probe Gk.Include: 2Pcs DCC Copper 4mm Banana Female to 2mm Pin Tip Head. Banana Jack & Pin Tip Plug: Copper Rod, nickle plated. Banana Jack Size: Dia 4mm. Pin Tip Plug: Dia 2mm.