Item Type: Banana Socket Material: ABS, Nickel Plated Brass Inner Hole Size: Approx. 4mm/0.16in Length: Approx. 31mm/1.2in Uses: Widely Used in the Separation and Distribution of Electronic Instruments, Industrial Equipment, Electronic Equipment, Inverters, Welding Machinery, Charging Generators, Ships, Rvs, Trucks, Automobiles, and Solar Cells. 1High Quality Material: The 4mm banana socket is made of ABS and nickel plated brass, which is sturdy and durable, ensuring a long service life. 2Good Performance: The banana socket is corrosion resistant, not easy to oxidize, and ensures stable current transmission. 3Simple to Use: The terminal is an accessory product used to realize electrical connection. Solder the wire to the end of the wire and connect it to the corresponding device. 4Multi Purpose: Used in hardware, electronics, electrical appliances, computers, power regulators, game consoles, tape recorders, communication products, etc. 5Widely Used: Used in the separation and distribution of electronic instruments, industrial equipment, electronic equipment, inverters, welding machinery, charging generators, ships, RVs, trucks, automobiles, and solar cells.Please allow 0.1?0.2cm/0.04?0.08in error for manual measurement 10 x Terminal (Red) 10 x Terminal (Black) 10 x Terminal (Yellow) 10 x Terminal (Blue) 10 x Terminal (Green)