Profound Maker: The profound carpenter pencil designed with extended and needle nose point of 45mm long, reaches hard-to-reach places where other carpenter marker won't go, suitable for marking through holes or in other tight areas Package Included: Each woodworking marker is pre-filled with a refill, comes with 1 refill boxes including 2 red refills, 2 yellow refills and 2 gray refills (6 refills in total), which can meet your woodworking marking needs for a long time，Wear a pen cap Built-in Sharpener for Marking: The sharpener screws into the top of the mechanical drawing pencils, which also won't get lost and sharpen your mechanical pencil to beautiful precision Mechanical Pencil: The carpenter pencil won't slip out of fingers and repetitive tracings cause less pain; The pen clip design can be easily attached to the pocket, easy to use and not easy to lose, achieving efficiency, good for construction and masons Markings on various surfaces: the solid carpenter pencil can draw on metal, plastic, glass, wood, paper, etc.; The drawing pencil is durable, which are bold to trace anywhere; 3-color refills can distinguish marks with different meanings and can mark on dark surfaces