Interchangeable pen and pencil provide four different ways to write from just one writing utensil. Its retractable design lets you quickly change between black, blue and red ink, or write with the 0.7mm lead. Wide, rounded barrel with a comfortable grip helps keep hand fatigue to a minimum for enjoyable handwriting throughout your entire day. Four-color writing utensil with included lead and erasers is perfect for emphasizing specific entries, grading, editing, writing various data and more.