By Bestbuy.com

Install Bay - Pwbl18500 18-gauge All-copper Primary Wire, 500 Ft - Blue

Doing a custom install? Don't settle for low-grade wire. For all your primary wire application needs, The Install Bay(R) provides a high-performance solution in bulk. This flexible, general-purpose wire is ideal for engine wiring, headlights, taillights, interior lighting, etc. The 18-Gauge All-Copper Primary Wire comes in a 500-ft. coil. It is color-coded for easy identification.