PWM-PK-3 is a Porta-Pack wire marker book designed for convenient cable and wire identification in electrical installations. The product features repositionable vinyl cloth material with a legend range of 1 through 45, allowing for flexible labeling of multiple conductors. Each book contains 10 pages and includes terminal markers with each wire marker for comprehensive identification solutions. The repositionable vinyl cloth construction enables reusable application without permanent adhesive damage, making it ideal for maintenance, troubleshooting, and reconfiguration tasks in industrial, commercial, and residential electrical systems.