Properties: The construction markers are ideal for precise labelling, marking and marking on wood, concrete, stone, tiles, plaster or other writable materials. The deep drill marker pen set consists of two deep drill markers and two construction pens as well as a total of 36 replacement graphite and wax refills for marking on various surfaces. The deep hole markers are equipped with a particularly thin shaft for marking drill holes in hard-to-reach places. The drill hole markers also have an integrated sharpener. The construction pencils also have a sharpener and a scale to indicate the lead thickness and are suitable for precise sketching, drawing and marking. The carpenter's pencils have a high-quality finish, fit comfortably in the hand and are easy to use. The leads in the mechanical pencils can be replaced quickly. Simply press the push button to release and replace the lead. The deep drill markers and pencils have a practical clip for safe storage in your shirt pocket. The deep drill marker pencil set is ideal for precise detail work in industry, trade and DIY. Technical data: Model: steelwork deep hole marker pencil set. Lead thickness of the deep hole marker: 2.8. Lead thickness of the construction pencil: 2.0. Lead material: graphite / wax. Scope of delivery: 1 x red deep hole marker, 1 x black deep hole marker, 1 x red construction pencil, 1 x black construction pencil, 12 x replacement leads for red construction pencil, 12 x replacement leads for black construction pencil, 6 x replacement leads for red deep hole marker, 6 x replacement leads for black deep hole marker.