Features HIGH QUALITY MATERIAL: These banana sockets are nickel plated as a whole, which can effectively prevent oxidation and better maintain stable current transmission. APPLICATION RANGE: Widely used in electronic instruments, industrial equipment, inverters, welding machinery, charging generators, ships, RVs, trucks, automobiles, etc. GOOD PERFORMANCE: The binding post is manufactured with high accuracy technology, the product has strong connectivity, excellent materials, and good conductivity. STANDARD DESIGN: Banana socket with standard size design, M6 nut size, 4mm inner hole diameter to ensure a more stable fit, universal design, wider application. EASY TO USE: These panel sockets are resistant to plugging and unplugging, and their compact size is more suitable for electronics, electrical appliances, computers, etc. Specification: Item Type: Binding Post Material: Nickel Plated Brass Inner Hole Diameter: Approx. 4mm/0.15in Model: J.40009 Uses: Industrial Equipment and Instruments Basic Parameters: Nut Size: M6 Application: Widely used in electronic equipment, industrial equipment, inverters, welding machinery, charging generators, ships, RVs, trucks, automobiles, separation and distribution of solar cells, hardware, electronics, electrical appliances, computers, power supply stability compressors, game consoles, tape recorders, communication products, etc Package List: 10 x Binding Post Note: Manual measurement, please allow some errors. Package List 10 x Binding Post