Sealey Booster Cables 25mm² x 3.5m CCA 600 Amp with Electronics ProtectionPVC Sheathed Copper Coated Aluminium Cables give Maximum Power Transfer yet Remains FlexibleResistant to Oil, Grease and Most AcidsInsulated Heavy Duty Clamps Reduce the Heating Effect of Power TransferFeatures an LED Display Unit which Shows the Battery Voltage and Includes a Reverse Polarity Indicator and AlarmIn Line Surge Protector Helps to Prevent Electrical Spikes OccurringAdditional Features Also Include Alternator Charge Check and Battery Condition CheckSupplied in a Carry Case for Easy TransportationCable Section: 25mm²Length: 3.5 MetersCapacity: 600 AmpsSuitable For: Diesel - 4 Litre, Petrol - 7 Litre