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. 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 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