Feature: 1. It contains 2pcs in total, one positive terminal column and one negative terminal column, with good conductivity and flexibility. 2. The column head of the battery terminal will not break, corrosion‑resistant, and can reduce voltage distortion and transmission loss. 3. Good contacting, convenient wiring connecting, and solid connection with battery terminals. 4. It is mainly used for maintenance and replacement of battery pole, ideal choice. 5. Each one undergoes a drive test to ensure true performance and verify that each design meets the high quality and high standards. Specification: Item Type: Car Battery Terminal Clamp Column Connector Color: SilverScrew Diameter: M6/M8 single column Positive Inner Diameter: Approx 17.5mm/0.68in Negative Diameter: Approx 16mm/0.62in Fitment: Used for battery pole repair and replacement.. Package List: 1 x Battery Terminal Positive 1 x Battery Terminal Negative Note: Please allow 0.5‑1mm difference due to manual measurement.