Package Including: 6×Deep Hole Markers (Blue/Red/Black, 2pcs of each) Highlight description: [Deep Hole Marker] This deep hole marker has a tip with a length of 30mm, easy to reach that other carpenter's pens cannot. The pen holder has a simple ruler, convenient for measurement. It is suitable for narrow areas use. [What You Get] The package includes 6 deep hole markers, including blue, red, and black, and 2 pcs of each. The pen line is 1mm and each pen can write about 200 meters. This set is durable to use. [High Quality] This pen body is made of premium plastic and the pen tip is made of carbon steel material, sturdy and wear-resistant to use. It contains permanent inks, are water and stain-resistant. It drys quickly and is not easy to wipe off. [Wide Application] Our long carpenter pen is suitable for writing on metal, plastic, stone, glass, wood, paper, and other materials. Please cover the pen cap when not use it. This set is sufficient for you to use and replace. [After-sales] If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service. Detailed description: Product Name: Deep Hole Marker Material: Plastic pen body, carbon steel pen tip Pen Color: Blue, Red, Black Total Length: 138×12 mm Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. [Deep Hole Marker] This deep hole marker has a tip with a length of 30mm, easy to reach that other carpenter's pens cannot. The pen holder has a simple ruler, convenient for measurement. It is suitable for narrow areas use. [What You Get] The package includes 6 deep hole markers, including blue, red, and black, and 2 pcs of each. The pen line is 1mm and each pen can write about 200 meters. This set is durable to use. [High Quality] This pen body is made of premium plastic and the pen tip is made of carbon steel material, sturdy and wear-resistant to use. It contains permanent inks, are water and stain-resistant. It drys quickly and is not easy to wipe off. [Wide Application] Our long carpenter pen is suitable for writing on metal, plastic, stone, glass, wood, paper, and other materials. Please cover the pen cap when not use it. This set is sufficient for you to use and replace. [After-sales] If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service.