If you never have jumper cables when you need them, it's probably because they've never been the neatest or most convenient thing to stow. That is, until now! These 8 ft. long heavy-duty 8-gauge copper jumper cables are big on charging power, yet stow conveniently in the 9" x 9" nylon bag. The clamps are copper with zinc plating to stay like new even in the marine environment. Flexible to 20 below, 200 amp rating. Perfect for cars, boats, trucks, SUV's, RV's, motorcycles, ATV's, snowmobiles and personal watercraft.