The Hypertherm ArcWriter is a dual gas, variable output power, plasma marking, scoring and punching system designed to leave temporary or permanent identification marks on metal surfaces. Perfect for labeling parts, creat......The Hypertherm ArcWriter is a dual gas, variable output power, plasma marking, scoring and punching system designed to leave temporary or permanent identification marks on metal surfaces. Perfect for labeling parts, creating dimples for drill starts, and any other marking, scoring or punching applications.The ArcWriter is designed to leave temporary or permanent identification marks on metal surfaces. The system includes a power supply, torch and lead set, optional power supply mounted current control and optional arc voltage control module.