Fits top and side post batteries. Tangle-proof double extruded construction. Delivers full current without danger of shock to the user. Stays flexible to -67 F. Super Heavy Duty 4 gauge booster cables are suitable for starting all types of passenger vehicles and light trucks Super Heavy Duty 4 gauge booster cables are suitable for starting all types of passenger vehicles and light trucks. The 20 foot length allows vehicles to be parked front to back. These cable feature the heavy duty "No Shock" 500 amp parrot jaw clamps. Polar/Solar cord with T-Prene insulation stays flexible to -67 F. Complete "Jump Starting" instructions printed on the carton. Made in the USA. Limited Lifetime Warranty.