BetterJonny 16Pcs Deep Hole Marker Pens, 20mm Long Head Deep Hole Marker Carpenters Pen,Hole Marker Tool for Architect Carpenter Permanent Marking of Hard to Reach Areas 4 Color(Black Blue Red Green)

【High-quality Materials】Our deep reach pens are made of PP shell and carbon steel nib, robust and wear-resistant; they contain permanent ink, waterproof and smudge-proof, quick-drying, xylene-free, and low odour. 【Long Nib Marker】Our deep-hole carpenter pen designed with extended and needle-nose tip of 20 mm in length, reaching hard-to-reach areas where other carpenter marker do not go, suitable for marking through holes or in other tight areas. 【Widely Used】 Our deep hole marker pens can draw on metal, plastic, glass, wood, paper, etc. The pencil is durable, which is grease to trace everywhere. This long nib deep hole pens are suitable for home decoration, hardware processing, automobile manufacturing, industrial processing and more. 【Package Includes】You will get 16 pieces of multi-purpose deep hole pens in 4 various colors, red, blue green and black and two of each colorSufficient quantity can woodworking marking needs for a long time and replacements, and you can share them with your colleagues and friends. 【Warm Tips】Please cover the pen cap when not in use, so that it can be used stably for a longer time.