1. Banana plug is gold or nickel plated.

2. The sizes include: 1.4mm,2.0mm, 3.0mm, 3.5mm, 4.0mm, 5.0, 5.5mm, 6.0mm, and 8.0mm.

3. It is mainly used in motor, battery, electro-hydraulic governor.

4. It is convenient used in socket. So it is prior to use in High-power electrical.

5. It has different plastic housing protected.

6. It is convenient used in socket. So it is prior to use in High-power electrical, such as audio, receiver, enlarger