Basic file product line for document organization and storage used in manufacturing offices and production sites. Handles standard filing supplies for classifying and storing important documents in manufacturing environments, including drawing files, clear files for technical materials, flat files for quality control documents, pipe files for work instructions, ring files for inspection records, and lever arch files for parts list storage. These are durable business files designed for ISO document management and quality assurance systems, featuring A4/A3 size compatibility, adjustable spine width, and indexing functionality. Specialized in basic file products, distinguished from file boxes and binder categories.