Feature: 1. Red Copper Material: Made of excellent PVC and red copper material with stable performance, good transmission and contact performance, resistant to plug in and out. 2. Removable Parts: Fully shrouded socket plug assembly set, can be assembled and disassembled, simple and convenient to use. 3. High Performance: The plug is pure copper plated with nickel, that the metal part has small resistance to reduce energy loss and impeove efficiency. 4. Insulating Shell: PVC plug socket is insulated which can ensure the safety during use, providing a satisfying using experience. 5. Application Range: Widely used in testing instruments, electrical equipment, audio equipment, aviation model, unmanned aircraft and other fields. Specification: Item Type: 4mm Banana Plug Material: PVC, Red Copper Model: 22.040 Application: For Testing Instruments, Electrical Equipment, Audio Equipment, Aviation Model, Unmanned Aircraft And Other Fields Weight: Approx.62g/2.2oz Rated Voltage/Current: 30Vac-60Vdc/Max.32A . Package List: 10 x Housing10 x Metal Plug Note: Pleace do not place it in corrosive gas and liquid for a long time, otherwise the service life will be reduced.