Package included： 1x Positive Connector 1x Negative Connector 100% brand new and high quality - Includes 2 Pieces battery terminal clamp (1 Positive & 1 Negative) - Adjustable the output gauge by the bolts & nuts - Easy Installation - Car Battery Terminal Set With Red & Black Plastic Covers for better protection - HIGH QUALITY:-- battery terminals with Material: Copper plating (Copper plating is Better Than Aluminum Alloy, as Aluminum Alloy is Contact Weakness & Strong Corrosiveness , Better Than Zinc Alloy, as Zinc Alloy is Strong Corrosiveness) - DIMENSION: -- Battery Terminal with 65 x 28 x 20mm/2.6" x 1.1"x 0.8"(L*W*T) - Screw Thread Diameter: 8mm/0.3" - Positive Battery Terminal Hole Dia.: 18mm/ 0.71" - Negative Battery Terminal Hole Dia.: 17.5mm/ 0.67" - OUT Power:--car battery terminals suit for 6V/12V. its Color:Red+Black (Positive + Negative) ,Black Red Plastic Protection Cover