Dixon Reach Deep Hole Mechanical Pencils are designed to aid in the marking of hard to reach places such as drilled holes, tight corners, even for DIY art projects. This multi-purpose mechanical pencil marks on most wet and dry surfaces. A pack of lead refills is included with this pencil. Industrial products have been a part of Dixon's heritage since our start over 200 years ago as a graphite and mining company. Today, we use that experience to craft our Dixon branded precision marking tools, which are known for their durability and effectiveness. Dixon offers a wide range of tools that are perfect for any job!