Product features：
1.New design of male sharpe, increase contact, can stand more larger currents than common 4.0mm banana plug
2.Raw material,without poison and lead, accords with ROHS
3.24k gold plated, with 0.05um thickness, insure to use thousands of times without fall out, makes plug safe, prevents oxidation,extends lifespan
4.Well conductivity, steady, constant temperature, continuous discharge
5.Tail adds welding slot, convenient for welding. 5g/set