Derwent Precision Mechanical Pencils have a premium full metal body, perfect for maintaining grip and balance. Ideal for sketching and drawing, the 0.5mm set contains 1 Mechanical Pencil, a refill pack of 15 HB leads plus 3 replacement erasers. Features include a slim barrel with built-in eraser under the push button cap plus retractable thin lead sleeve. The graphite leads have a strong point for extended use and minimal breaking. Up to five leads can be placed into the pencil barrel at one time. The smooth laydown of graphite makes the pencil perfect for fine detail and cross hatching techniques. Refillable leads and erasers are available separately.