The PCM-300-324 Wire Marker Card is an essential tool for efficient cable identification in any workspace. Made of durable vinyl cloth, these markers are designed to withstand extreme temperatures ranging from -50°F to 170°F. The white and black color scheme ensures high visibility, while the pre-printed legend "300 thru 324" allows for quick and easy labeling. With a marker width of .36 inches and a length of 1.5 inches, each card accommodates up to 25 markers. RoHS compliant and suitable for cables up to .38 inches in diameter, this product is a reliable solution for organizing and identifying wires in a wide range of applications.