Features: Function:Install the charging column through the main body panel, which is convenient and quick to use the battery terminals. Top-quality brass terminal to transmit the maximum power,with plastic insulated dust cap to block mud,water and sand,extend the service life. Copper core cable has good electrical conductivity and corrosion resistance.The strong and lightweight plastic mounting plate prevents the possibility of arching. Easy to install. Scope of application: in power systems such as automobiles, RVs, ships, yachts, racing for cars, agricultural vehicles, etc. Specifications: Material:Rubber,Zinc Alloy,Brass Color:Red,Black Stud size: 20mm Hole diameter: 32mm 3/8" Brass Stud Rated current: 250A Net Weight:178g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Battery Charger Post