Color as shown Size: 10*10cm Weight: 10g [Long Tip Marker] The deep hole marker designed with a 30mm length tip, reaching hard-to-reach areas where other carpenter markers don't go, suitable for marking through holes or in other narrow areas. [Affordable Set] The package contains 10 carpenter markers, refill colors: red, blue, black, white, the nib line width is 1mm, and each pen can write about 200m, which can meet your long-term marking needs. The four colors are easy to distinguish, and white in particular is ideal for painting on dark surfaces. [High-quality materials] These deep-point pens are made of PP shell and carbon steel tip, which are sturdy and wear-resistant; they contain permanent ink, which is waterproof and smudge-proof, quick-drying, xylene-free, and low-odor. [Marks on various surfaces] The drill marker can draw on metal, plastic, stone, glass, wood, paper, etc. [Warm tips] Please cover the pen cap when not in use, so that it can be used stably for a longer time.