Enhance your electrical testing and welding projects with this high-quality 4mm Banana Plug Connector set, designed for reliable and secure connections. Crafted with premium materials, these connectors feature a brass main body, a nickel-plated beryllium copper spring for excellent conductivity and durability, and a sturdy plastic shell for insulation and protection. Ideal for electric testing and welding applications, these banana plugs support cables up to 4mm in diameter and work best with 14AWG wires, ensuring optimal performance and safety. Key Features: · Premium Construction: The brass body offers strong mechanical stability, while the nickel-plated beryllium copper spring ensures excellent electrical conductivity and corrosion resistance. · Precise Connection: Designed specifically for 4mm cables and applications involving electric testing and welding, providing a secure and stable contact. · Durable Plastic Shell: Offers insulation, impact resistance, and ease of use while protecting internal components. · Recommended Wire Size: Optimized for 14AWG wires to maintain signal integrity and minimize resistance. · Convenient Package: Includes 5 black and 5 red banana plugs, enabling easy identification and wiring organization. · Compact Size: Each plug measures approximately 53 x 18mm (2.08 x 0.71 inches) with a silver core length of 48mm (1.89 inches), making them suitable for various electrical setups. Specifications: · Color: Black and Red · Body Material: Brass · Spring Material: Nickel-plated Beryllium Copper · Shell Material: Plastic · Shell Size: 53 x 18mm / 2.08 x 0.71 inches · Silver Core Length: 48mm / 1.89 inches · Weight: 68g (total) Package Includes: · 5 x Black 4mm Banana Plug Connectors · 5 x Red 4mm Banana Plug Connectors Designed for durability and precision, this banana plug connector set is an essential accessory for professionals and hobbyists working with electric testing and welding. Its stable connection and quality materials help ensure efficient and safe electrical performance across a range of applications.