The Draper Retractable Booster Cable Jump Leads are professional-grade jump leads designed for emergency vehicle starting, featuring an innovative retractable cable system and integrated diagnostic display. Housed in a durable plastic case with a built-in winding handle, these booster cables eliminate the frustration of tangled leads whilst providing essential battery and charging system information through the LCD display. The 3.5m cable features 29mm² cross-section conductors with PVC insulation for durability and reliable current delivery. Heavy duty clamps with PVC covers ensure secure connections to battery terminals, whilst the anti-surge protection safeguards sensitive vehicle electronics during jump starting. Eight illuminating LEDs provide visibility when working in low-light conditions or at night, making roadside assistance safer and more practical. Suitable for both 12V and 24V electrical systems, these jump leads are compatible with petrol engines up to 5.5L capacity and d