Specifications: Material: brass+tin+iron Cathode size: 17.5 ~ 19.1mm Anode size: 15.9 ~ 17.5mm Material thickness: 1.2mm copper plate stamping Item weight: 205.8g / 7.3ounce Package size: 100 * 50 * 50mm / 3.9 * 2.0 * 2.0in Package weight: 210g / 7.4ounce Packing List: 2pc Battery Terminal Connector (1 Pair Positiv and Negativ)