Description: - This deep hole marker pen its fine point of 6 mm and 43 mm long allows him to go and draw in the holes where other grease pencil do not go, which can easily mark in deep holes or hard-to-reach places, convenient to use. - This long nib marker can be applied for various surfaces such as wood, metal, glass, and plastic. - Using good material, this carpenter pen is durable , has a long service life. - You won't lose it and it attaches directly to the pocket thanks to its quick and solid attachment. - The nib is firm and reliable, and it is not easy to break. The pencil sharpener is screwed into the top of the mechanical drawing pencils.Specification: - Material: Plastic, metal - Pencil size: approx. 145x14mm/5.71x0.55inch - Lead size: 0.1x4.72inchPackage Includes:1 Set ofCarpenter Pencil SetNote:Color might be slightly different due to the color calibration of each individual monitor.Please allow slightly measuring deviation due to manual measurement.