Writing instruments and stationery used for recording, documentation, and marking tasks in manufacturing environments. Includes ballpoint pens, mechanical pencils, markers, pencils, and highlighters used for quality control records, work instruction documentation, parts marking, inspection checks, and drawing modifications. Focus on industrial-grade writing tools with durability, writing performance, and ink quality suitable for manufacturing environments. Covers office supplies widely used from production workers to quality control personnel, including oil-based and water-based markers, fine liners, gel ink pens, erasable pens, and multi-color pens.