Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. They feature black and blue colored plastic NL4FC female connectors at each end, with spring-loaded lock release latches. These 2-conductor speaker connection cables are made with high-purity, 12 AWG copper wire for maximum current handling capability. Quality at a Fair Price: Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices.