[Uses] Marking on metal, glass, plastic, rubber, and wood. [Functions and Features] Perfect for those who want a paint marker that is quick drying, and environmentally friendly. It is also compatible with the cap reverse. Material: Shaft Material: Aluminum. Pen core: Acrylic fiber Mitsubishi Pencil Kansai Co., Ltd. Alcohol paint marker fine line is sold by DCM online. We also carry many other carpentry tools.