Automatic lead pencil: compact design makes it easy to carry the mechanical pencil anywhere. It functions as an automatic pencil for everyday use. Drawing pencil: easy to use, sturdy, and resistant to damage. A reliable mechanical pencil for drafting and markmaking. Mechanical pencil: simple in appearance but very practical to use. Suitable for precise marking and general work. Pencil for draft drawing: graphite refill optimized for durability. Ideal for drafting, technical drawing, and precise marking. Use scenarios Onsite carpentry: carry the pencil for quick marking, measurements, and layout on the job site. Drafting and design: convenient for studio or classroom drafting, technical sketches, and notes. General writing and marking: everyday use for writing, shading, and quick annotations in projects or studies.