Features: Current 32A capacity and brass conductors ensures stable power transmission with low resistance for demanding electrical applications. Easy quick connection designs with stainless steel spring clamps secure grips wire, while heat resistant PA6 nylon housing resists deformation and fire hazards. Ideal for electronics engineers, lab technicians, and enthusiasts requiring power connection in professional testing equipment setups. For industrial machinery maintenance, audios amplifiers systems, and measurement devices needing sturdy banana plugs connectors. 4mm banana plugs combine contact durability with reinforced insulation, passing rigorous safety certifications for long time commercial/industrial use. Specifications: Component: Nylon, Stainless Steel, Brass, Gold Size: 4.34x0.79cm/1.71x0.31inch Color: Blue/Green/Yellow Package Includes: 10pcs Banana Plugs note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.