Made of brass and ABS, it is more and compact. The adopts nickel plating process, which can play a protective role. The lantern-style banana plug is connected to the socket with threads, which is more firm. Specification: Status: Project Type: High-voltage socket + high-voltage plug Voltage: 10kv-30kv Connection method: welding Wiring instructions: Unscrew the welding wire by yourself (the tail can pass through the welding wire below 5mm) Weight: about 124g size: Plug: about 75mm Socket: about 70mm Colour: white + red Material: brass/ABS Package Contents: 4 x High voltage socket 4 x High voltage plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.