Made in the USA - Spartan Power's most flexible battery cables are made with SpartanFlex technology, perfect for your power inverter, solar or audio application. Cut to Length: Spartan Power's cables are professionally finished with a premium-grade cut, crimping, and heat shrinking that deliver durability, endurance, and the highest performance. 100% pure copper wire Lifetime Crimp Warranty Giving Power to The People: Helping people arm themselves with the right tools and accessories, Spartan Power manufactures ultra-high quality, Made in the USA battery cables every day in Reno, Nevada; Trusted by professionals, enthusiasts, and DIYers everywhere MADE IN THE USA! Spartan Power Battery Cables featuring SpartanFlex technology! This is Spartan’s most flexible battery cable, perfect for power inverters, audio, golf cart, and solar applications in your RV, motorhome, car, boat, etc. Each cable is cut to length, ready to use and come terminated with 3/8” or 5/16” tinned copper ring terminals. All cables are made of 100% copper wire. Proudly made in the USA. Sizes include 6, 4, 2, 0 or 1/0, 00 or 2/0, 0000 or 4/0 AWG.