1. Efficient Positioning: This long-headed marker is an ideal assistant for carpenters and tile workers. It is used for accurate and fine marking and positioning to make your work accurate to millimeters. 2. Oily marking pen: this deep-hole pen uses oily ink, which can leave clear and lasting lines on any surface. Sub-oily marking pens can be used in a variety of materials, including metal, wood, plastic and ceramic tiles. 3. Lengthened design: the extra length of this marker means that you can easily mark deep holes without worrying that the marker will touch the bottom or be too tight to move. 4. Easy to use: the design of this long-head marker is extremely humanized, easy to grasp and operate, and will not feel tired even if it is used for a long time. 5. Economical and affordable: each bottle has high quality and excellent control over details. The affordable price also enables every professional to freely obtain it, and the precise marking and positioning tools are incorporated into their toolbox. 6. Type: oily pen 7. Color: black, blue and red 8. Package: 1 pcs\3pcs The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.