Specification: Type: 4mm Male Banana Plug Connector Connection: Solder Material: Soft PVC insulator+Gold Plated brass Rating: 4mm: 30VAC-60VDC/20A max. Maximum Allowed Wire Diameter: 4mm Package included: 10pcs x Male Banana Plug Connector (5x Red+5x Black) On Jul-16-21 at 00:01:02 PDT, seller added the following information: