The ALPHA WIRE part GRP1203/4-BLACK-100 is a high-quality cable accessory that is perfect for various applications. Featuring a tubular braid design, this accessory is made from durable copper material coated in black tin. It comes in a convenient spool format, providing 30.48 meters (100 feet) of cable. This versatile accessory ensures excellent conductivity and protection for your cables, making it an essential component for any wiring project.