The supplied wrench makes installation easier. Wiring is easy to modify. Convenient wiring and sturdy connections. Suitable for cylindrical car battery SAE/ A type column. Note: Do not over-tighten the screwsPositive and negative battery terminal clamps are suitable for most battery models. Perfect for replacing worn and corroded terminalsThe battery terminals are made of tin-copper, which has good conductivity and corrosion resistance. Which can reduce voltage distortion and transmission lossBrand new. High quality products. Easy install and durable use.Great quality and great Fitment. Correct Connector No cutting or splicing.Type: Battery ClipFitment Type: Direct InstallFitment:For TrucksFor CarsFor CaravansFor YachtsFor RVscolor:SilverMaterial:MetalPackage Contents:2 x Positive Battery Clip2 x Negative Battery Clamp2 x Red Gasket2 x Black Gasket2 x Hex WrenchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.