With its construction, this terminal connector offers high conductivity compared to other materials. The copper provide a secure and stable connection for electrical wires, minimizing the risk of accidents or malfunctions. Whether you are working on distribution box or any electrical equipment, this ensures a connection, giving you peace of mind. Features -Color:Blue -Material:Copper and plastic -Size:12.00X2.00X1.20cm/4.72X0.79X0.47in -Hole diameter: 5mm/ 0.19in. -Installation hole diameter: 4.05mm/ 0.15in. -Installation pitch-row: 107.32mm/ 4.22in. -Width of the copper : 6.17mm/ 0.24in. -Note: 12 holes. -Versatile application, suitable for various electrical systems. User-friendly design, easy to install and operate. -Stable ground kit makes connecting multiple ground points . -It is widely used for grounding connections of distribution cabinets and equipment, for powers distribution, transmission, copper bus bars, etc. -Heavy duty: the base is made of good material, with strong mechanical strength, insulation, durable and safe to use. -This is simple to use and provides a convenient and efficient solution for electrical installations. Package list: 4 x Terminal Blocks