These booster cables are recommended for cars, vans, 4x4's and motorhomes up to 4000cc in engine size. Rated at 400A and measuring 3m in length, they come supplied in a convenient zipped storage bag, ideal for keeping in the vehicle ready for those cold, damp winter mornings.Length 3mCSA 16mm²Peak output 400AStarting output 250AThe lead set is manufactured from a hybrid mix for increased performance, with a maximum cross sectional area (CSA) to increase cable flexibility and maximise power transfer. The colour coded leads made from heat, oil and acid resistant PVC offer easy identification whilst the insulated metal clips clamp easily and securely onto the vehicle terminal posts.