car booster cable used for emergency red/black cable, alligator clip range from 50-1000 Amp Car emergency Booster Cable1.PVC cable, inner copper or CCA2.alligator clip, red and black color cable3.ranges from 50 to 1000 Amp4.used for car when in emergency(out of electricity)5.each pcs in zipper bag then in carton Car emergency Booster Cable