ITEM NAME:2PCS 4mm Copper Banana Plug Jack For Speaker Amplifier Test Probes Connector Description: Product material: Nickel plated brass/ PVC Rated voltage/current: 1000V/ 20A Connection mode: Screw fixing/ Welding Anti slip pattern design Can be inserted 4mm banana plug Specification: Product color: Red and black Package Includes: 2 Pieces 4mm Copper Banana Plug (one Black and one Red) SKU: CKX0012676068000957.2 Pieces 4mm Copper Banana Plug (one Black and one Red). Can be inserted 4mm banana plug. Product material: Nickel plated brass/ PVC. Connection mode: Screw fixing/ Welding. Anti slip pattern design.