5ft, 10ft, 20ft and 50ft sections are hand cut and rolled by Big Jeff Audio Sold by the foot, 100ft is one roll Rated at 350 amps @ 25 feet OFHC Pure Copper (Oxygen-Free High Thermal Conductivity) Dual jacket for added safety and flexibility (Industrial Strength) **MADE IN THE UNITED STATES FROM START TO FINISH** GP Car Audio 1/0 True AWG 100% OFC Pure Copper Power/Ground Wire Black Lot This listing is for 1/0 AWG Oxygen Free Copper speaker wire (Black) sold by the foot or hand cut and rolled into 5 foot, 10 foot, 20 foot and 50 foot increments. If you purchase a quantity of 100ft you will get one complete roll. Description: Crafted from OFHC Pure Copper (Oxygen-Free High Thermal Conductivity), it ensures maximum conductivity and minimal power loss. The dual-layer jacket provides industrial-strength durability, offering both flexibility and protection for long-lasting, reliable use. SAE certified for marine and automotive applications, this wire meets rigorous safety standards, ensuring it performs under extreme conditions. Built with True American Wire Gauge (AWG) specifications, it delivers precise power delivery, while proudly being MADE IN THE U.S.A., ensuring top-quality craftsmanship. Specifications: Rated at 350 amps @ 25 feet GP Car Audio TRUE 1/0 AWG OFHC Wire OFHC Pure Copper (Oxygen-Free High Thermal Conductivity) Dual jacket for added safety and flexibility (Industrial Strength) SAE Certified for Marine and Automotive use. True AWG (American Wire Gauge) Measurements: Outer Wire Diameter: 0.626" (15.9mm) Inner Wire Diameter: 0.445" (11.3mm) Full Spool (LxWxH): 12" x 12" x 10"