Features: 1. Deep Hole Machine: The Deep Hole Carpenter Pencil is designed with a 45mm extension and pointed tip to reach hard to reach areas that other carpenter marks cannot. It is suitable for marking through holes or other narrow areas. 2. Precise Marking Sharpener: The pencil sharpener screwed into the top of the automatic drawing pencil will not get lost, your mechanical pencil will always be sharpened for good precision. 3 Mechanical Pencil: Carpenter's pencil will not slide the pencil fingers, repeated marks will reduce pain; the clip design can be easily hung on the bag, easy to use, not easy to lose, improve efficiency, suitable for construction and masons 4 markers on different surfaces: solid wood pencils are available on metal, plastic, glass, wood, paper, ETC. ;Drawing pencils are durable enough to draw anywhere and are stronger than hard lead; yellow can be placed on dark surfaces that are not attractive to grey lead repetitions. 5 FILL CONTINUOUS USE: Woodworking Marker comes pre-filled with grey lead and comes with a refill box that includes 3 grey lead and 3 yellow lead. For your long-term woodworking marking needs Specification: - Size: 145mm Material: ABS --Design: The pencil sharpener screwed into the top of the pencil, designed as piece. The clip design can be easily hung in the pocket, not easy to lose, and improve work efficiency. The 45mm long tip can reach hard-to-reach areas that other woodworking markers cannot. Ideal for drilling holes or other narrow areas. -- Usage: 3 color refills for marking on wood, metal, concrete and tile. Package includes: A:4*marking pen+4*refill B:3*marking pen+3*refill