Longer Nib: The deep hole construction pencil designed with an extended tip and 30mm length nib, reaching hard-to-reach areas where other carpenter markers won't go, suitable for marking through holes or other narrow areas.Quality Materials: This carpenter pencil is made of plastic body and carbon steel nib, carpenter pencil is durable, colorfast, waterproof, quick-drying and contains permanent ink.Scope of Supply: You will receive 8pcs carpenter pencil (2 red + 2 blue + 2 black + 2 white), The pen comes with a simple 6cm scale for easy construction measurements.A Wide Range of Applications: The construction marker can draw on metal, plastic, glass, wood, paper, etc.;The carpenter pencil is durable and you don't have to worry about running out of color;4 colors can distinguish marks with different meanings and can be marked on dark surfaces for your long-term marker needs.Quality Assurance: If there is any problem, please contact us within 7 days after receiving the goods.