Product: 4 mm Drawing Wheel for Nameplate and Metal Marking Key benefits Produces clear, consistent characters 4 mm for permanent identification. Long service life thanks to mold steel construction and frequency quenching treatment. Creates shallow, legible marks without removing large amounts of material, minimizing damage to nameplates and components. Ready for use with hand press or rubber hammer applications and compatible with pullwheel embossing machines. What it does Engraves or modifies text such as model numbers, dates, and serial numbers on metal and plastic nameplates. Each wheel contains 40 characters: 10 digits, 26 uppercase letters, and 4 universal symbols. Lowercase letters are not included. Character depth typically 0.1 to 0.3 mm, producing durable, readable impressions. Key specifications Character height: 4 mm Material: mold steel, heat treated by frequency quenching Character set: 40 characters per wheel (10 numbers, 26 uppercase letters, 4 symbols) Typical engraving depth: 0.1 to 0.3 mm Designed for use as a pull wheel in embossing equipment or for manual striking with a hand press or rubber hammer Compatibility and materials Suitable for aluminum, copper, stainless steel, and plastic nameplates Works well on valves, machinery nameplates, motorbike parts, electrical equipment panels, pumps, and other metal or plastic components requiring permanent identification Practical use scenarios Marking serial numbers and production dates on stainless steel equipment panels during assembly or maintenance Updating model and identification information on valve or pump nameplates in the field using a hand press Stamping frame or part identifiers into motorcycle components and metal parts for inventory tracking Usage tips Choose wheel size based on required character height; 4 mm produces 4 mm characters. For other heights select the corresponding size number. Use steady, controlled force with a hand press or rubber hammer to achieve consistent depth between 0.1 and 0.3 mm. Clean the plate surface before marking to ensure clear impressions. This drawing wheel provides a hard, wear resistant marking option for precise, long lasting identification on metal and plastic nameplates and components.