Pencil nibs: Ergonomic design fits comfortably in the hand for a smooth writing experience. Replacement heads provide ongoing use. Pencil tips replacement: for sketching or calligraphy. Suitable for students, artists, adults, and beginners. Longlasting pencil refills. Portable pencil nibs: Made with good material and fine craftsmanship. Sturdy and durable for a long time. Longlasting pencil tips. Inkless pencil refills: A practical and convenient choice for students, painters, artists, and teachers. Very practical and convenient for everyday pencil nibs. Use scenarios In class or at the studio, nibs to maintain a consistent writing or drawing feel without interruptions. For sketching or calligraphy practice, swap tips to achieve different line qualities and effects. While traveling or on the go, carry portable nibs and inkless refills for quick notes, sketches, and everyday writing tasks.