Feature:1. High Performance: The 4mm insulated banana plug can withstand current CAT II 600V maximum 32A, carefully made of beryllium copper and PVC shell.2. Powerful Protection: The retractable sheath is constructed from high quality PE, which can effectively protect the metal banana plugs.3. Applicable People: Suitable for engineers or DIY enthusiasts, and suitable for testing in schools, homes, laboratories and factories.4. Extensive Usage: The retractable banana plugs are widely applicable to industrial equipment, security equipment, 3C digital, instrumentation, etc.5. 10PCS in Total: The package contains 5 kinds of color retractable banana plug, 10PCS in total, sufficient quantity for you to operate.Specification:Item Type: Retractable Banana PlugMaterial: Beryllium Copper + PE + PVCApplication: In industrial equipment, security equipment, 3C digital, instrumentation and so on.Current: CAT II 600V maximum 32A.Package List:2 x Red Retractable Banana Plug2 x Black Retractable Banana Plug2 x Yellow Retractable Banana Plug2 x Blue Retractable Banana Plug2 x Green Retractable Banana Plug