The portable 12.7mm inkjet printer provides a convenient option for marking compatible metal surfaces. Its handheld structure enables users to print on individual components without moving everything to a fixed printer. Fast-dry ink can help markings become ready for handling quickly when the correct ink is selected for the surface. It can be applied in workshops, hardware manufacturing, electrical component production, machinery, and industrial packaging. Common markings include serial numbers, batch codes, production dates, identification numbers, and product references.