The Alpha Wire 2421C Slate 18/2C (16/30) TC Shielded Twist Pair Type CMG or AWM 300 volt Control/Computer Cable in gray is a high-quality multiple conductor cable designed for various electrical applications. With a wire gauge of 18, this cable is ideal for controlling and transmitting data in computer systems. Manufactured in the United States by Alpha Wire, this cable comes in a 500-foot length, ensuring a continuous and reliable connectivity solution for your business or industrial needs.