Auto Drive 18 American Wire Gauge Speaker Wire, 100feet long. The plastic jacket around the speaker wire helps to deliver high-quality undistorted signals to and from all of your audio equipment; No Distortion. Transparent blue Color.This 18AWG speaker wire with spool lets you easily connect your speakers to amplifiers or receivers. Marked Polarity: One side of the wire is marked with a white line, making it quick and easy to distinguish the polarity and get your audio system set up properly; Easy to Use:18-gauge Speaker Wire comes wrapped around a hard plastic spool that makes dispensing convenient and easy.100ft Long length 18 Gauge speaker wire, Auto Drive