1WORK WITH VARIOUS MATERIALS: This is a specific tools for working with materials such as wood, plastic, metal, glass and leather, etc., very versatile 2NON SLIP OUT: The woodworking liner doesn't slip out of your fingers, more comfortable and less tired when using 3FOR BRICKLAYERS TO USE: Adopt clip design, easy to hang on your pocket, convenient to organize, improve efficiency, suitable for construction and bricklayers 4PERFECT FOR NARROW AREAS: Extended tip design can reach hard to reach areas that other woodworking markers can't, ideal for marking through holes or other narrow areas, more practical 5VARIOUS REFILL COLORS: Refills of various colors can distinguish marks with different meanings, which will meet your woodworking marking needs for a long term