EASY TO WORK WITH - This primary automotive wire set comes in 10 colors, red, orange, yellow, green, blue, purple, brown, black, gray and white, making it easy to keep your circuits separate. PVC PROTECTED - Flexible PVC insulates each 20 gauge wire, making them resistant to fire, abrasion, sunlight, and chemical or electrolytic corrosion. VARIETY OF USES - Perfect primary wire for remote turn-ons, car radios, home theaters, robotics, model trains, door bells and more! HANDLES EXTREME HEAT - Rated to 105°C. 100 feet of 20 guage wire per roll. Stranded copper clad aluminum. Do not use for building/household 110 / 220 V AC wiring.100% SATISFACTION GUARANTEE - Iron Forge Cable stands behind all of its hook up wire assortments 100%. Please reach out to us with any questions or concerns, so we can help!