8Pcs Viborg High End Banana Connectors 24K Gold-Plated for Cables up to 6 MM &sup2; The banana plug used the high quality material The banana plugs can be either screw or solder and are up to 4 mm for cable diameter and solder suitable up to 6 mm The double gland is also 24 K gold-plated and ensures a better contact with two fastening screws The high-end banana plug has a total length of 46 mm, a weight of 9 grams of the contact PIN is 4 mm and the outer diameter is 11 mm 8PCS BANANA PLUG