Description: Make the electrical connection of an accessory product. The small copper pipe, one end is connected to a cable, one is fixed in the electrical components, the electrical components can be cars, machine tools, boats, rotating machines, household appliances, and so on. The terminal is used to facilitate the connection of cables. It is actually a piece of metal sheet sealed inside the insulating plastic with holes in both ends to insert cables and screws to tighten or loosen them. Two cables, for example, sometimes need to be connected, sometimes they need to be disconnected, then they can be connected to terminals, and they can be disconnected at any time without having to solder them or wrap them together, which is very convenient and fast. Comes in a case. Specification: Material: Copper Color: as pictures shown Size: Small joint of copper tube & Phi 2.2mm 12mm (Connects 1 square line) 50pcs Small joint of copper tube & Phi 2.5mm 12mm (Connect square line 1.5) 50pcs Small joint of copper tube & Phi 3.0mm 12mm (Connect square line 2.5) 30pcs Small joint of copper tube & Phi 3.5mm 12mm (Suitable for lines) 30pcs Small joint of copper tube & Phi 4.5mm 12mm (Connect 6 square lines) 30pcs Small joint of copper tube & Phi 5,5mm 12mm (Connect 10 square lines) 30pcs Small joint of copper tube & Phi 6.5mm 12mm (Connect 16 square lines) 30pcs Package Includes: 1 Set Solder Seal Wire Connectors