The construction site pencil does not slip from the fingers and repeated tracing causes less pain. The pen clip design can be easily attached to the pocket, easy to use and not easy to lose, gaining efficiency, suitable for construction and masons. This sturdy construction pencil can be used on all kinds of surfaces, such as metal, plastic, glass, wood, paper and other materials. Yellow and red can be drawn on dark surfaces. The deep-hole carpenter pencils designed with an elongated tip and 48mm tip length, reaching hard to reach areas where other markers do not go, suitable for marking through holes or in other narrow areas. And if you extend the lead you can even trace in the 2.5mm holes. The pencil lead of the carpenter's pencil marker can be simply replaced. after using the pencil sharpener, the pencil sharpener is screwed into the top of the mechanical drawing pencils, Normal storage will not take up much space or lose small items. The pencils for woodworking is pre-filled with black lead, comes with a refill box included 2 black leads, 2 red leads and 2 yellow leads which can meet your long term wood marking needs. > Professional carpenter's pencil, the most practical pencil for construction sites Length: 150.9mm/5.94in Materials: Stainless steel and plastic Lead diameter: 2.5mm/0.1in Color: Black 1. Suitable for marking through holes or in other tight areas, the holder uses a long, needle-nosed tip to mark hard-to-reach places. 2. All-metal, rechargeable construction, built-in sharpener, and one-click operation provide reliability and ease of use. 3. And if you extend the mine you can even draw in the 2.5 mm holes The pack includes: 1 Carpenter's pencil with 1 built-in sharpener inside 1 Box of 6 s (2 black and 2 yellow and 2 red)