Features: Premium 4mm gold plated banana plugs secure optimal conductivity and oxidation resistance, delivering stable connection for high accuracy signals transmission in labs and sound systems. Engineered with general compatibility for instrument interfaces and strong copper PA construction, these connectors feature tool easy installation and safety rubber insulation against electrical hazards. Ideal for electronics engineers, audiophiles, and enthusiasts requiring stable connectivity solution across professional and hobbyist applications. Perfectly suited for laboratory testing rigs, stage sound setups, home theater systems, and educational electronics projects demanding frequent secure connection. With reinforced fatigue resistant design and 10PCS/pack configuration, these banana plugs outperform standard connectors in durability while maintaining signals integrity across repeated insertions. Specifications: Component : metal, rubber Size: about 145x440mm/5.71x17.32inch Package Includes: 10PCS Banana Plugs note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.