These brand new jumper cables are strong, flexible, and kink resistant. The 4GA 20FT Jumper Cables features 4-gauge cables for strongest consumer grade. It is able to resist motor oil, rain, and chemicals for dependable use. 1.Features: Constructed of Stranded Copper Clad Aluminum Wire for Strength, Flexibility, and Kink Resistance Heavy Duty 4 Gauge Cable with Copper-Plated Clamps Booster Cables come with a Travel Bag Color Coded Red & Black for Positive and Negative Terminals Perfect for Cars, Trucks, Vans, Motorcycles, and SUVs 2.Specification: Length: 20ft Color: Red / Black Rating: 500 Amp AWG: 4 Gauge Material: Copper Condition: 100% Brand New 3.Instructions for Jump Starting your Vehicle: Make sure both vehicles are turned off. Connect one end of the red clamps to the postive (+) post of the dead battery Connect another end of red clamps to the positive (+) post of the good battery Connect one end of the black clamps to the negative (-) post if the good battery Connect another end of the black clamps to the frame bumper or engine block of the dead battery. Do not connect directly to the negative (-) post. Make sure clamps from one cable do not accidentally touch the clamps of the other cable. Start the working vehicle Wait 1-2 minutes, start the dead vehicle, and then keep the vehicle running for a few minutes for recharging the battery. Disconnect the cable clamps in the reverse order. 4.Package Includes: 1x Jumper Cables 1x Travel Bag More information can view Auto Tools Depot.