30 Pieces Deep Hole Marker Pens,22 mm 3 colors  Long Head Pen,Fine Tip Markers,Marking Tool for Permanent Marking of Hard To Reach Areas,Black,Blue,Red

30 x Drawing Pencils: You will receive 30 drawing pencils in 3 different colors. Black x 10 + Red x 10 + Blue x 10 Suitable for teams or large projects to avoid work interruptions and collaborate effectively. Don't worry about replacing the tips, you can replace them at any time. The contrasting black ink makes the marks clearly visible on the dark background. Long tip design: the deep hole marker features a 22 mm tip. The marking depth is long and ideal for marking deep holes or other narrow areas to increase labor productivity. It is enough to mark holes in wood, stone or brick. Inaccessible holes with ordinary markers can also be easily marked. 【Quality Material】: Our marking pen is made of a polypropylene body and carbon steel tips, which are highly resistant to wear, the tips are sturdy, and the hard materials can be used repeatedly, and it leaves a durable metallic drilling scene. 【Fast drying, waterproof】: The handwritten text dries quickly after writing, do not worry about wear after marking. The drill bit is waterproof and does not dissolve easily even after rinsing with water. Waterproof markings for indoor and outdoor use that can be read even in wet or dirty environments. Widely used: the depth markers can be used for wood, metal, plastic, walls, paper, etc. Suitable for woodworking industry, decoration industry, home use, etc.