ITEM NAME:5 Piece 2mm Banana Jack Binding Post Nut For Multimeter Test Red Description: Metal Material: Copper, Surface Treatment: Nickel Plating, Plastic Shell Material: ABS Applied for 2mm banana plug/Stackable plugs Applicable 2MM diameter banana plugs. Nickel plating for maximum signal transfer 30V-60V /MAX.10A Package Includes: 5Pieces 2mm Banana Jack.Applied for 2mm banana plug/Stackable plugs. 5Pieces 2mm Banana Jack. Nickel plating for maximum signal transfer.