BIC Xtra-Strong Mechanical Pencils are designed to be durable with strong 0.9 mm leads that resist breaking. The thick, smooth-writing #2 lead never requires sharpening and is always ready to write when you are, making this pencil perfect for students and the smart choice at test time. The lead advances quickly and easily with a simple click of the eraser, does not smudge and erases cleanly, helping keep your work looking neat. Students of any age will love the bright colorful barrels and contrasting vibrant clips.