The blackberry "cap" can do more than you might think at first glance. It is a point protector, pencil extender and sharpener holder in one! A sturdy metal clip keeps the pencil secure in your pocket. The pencil is break-resistant in degree of lead hardness B. The eraser is guaranteed not to smear. Writes, erases and you can exhaust the entire length of the pencil as you sharpen - The "Perfect Pencil"! Ideal for writing, drawing and sketching.