Complete Professional Drafting Set: This mechanical pencil set includes 0.5/0.7mm/0.9mm drafting pencils plus 3pcs 2mm lead holder, along with 9 tubes of lead refills, 3 pcs 4B erasers, 2 lead sharpener, 8 pcs eraser refills, a storage case. A complete drawing kit designed for artists, students, engineers, and architects. 4 Line Size & 6 Hardness: This awesome pencil set come with several size of lead refills for various line widths:0.5/0.7/0.9/2.0,the 2mm graphite pencil come with 4 hardness lead 2B HB 2H 4B to create different darkness, perfect for your daily use,they don't break easily, and write smoothly Precision Control for Drawing & Drafting: Engineered for accuracy and smooth writing, these mechanical pencils provide consistent lead advancement and precise control, making them ideal for sketching, technical drafting, note-taking, and everyday writing. Non-Slip Comfortable Grip: Ergonomically designed textured grip provides enhanced control and stability while writing or sketching. The non-slip surface helps reduce hand fatigue during long drawing or note-taking sessions. Perfect for Artists, Students & Professionals: Whether you are sketching, drafting, journaling, or studying, this versatile mechanical pencil kit is a reliable tool for school, office, art studios, and creative projects.