The tip is steel ball, so it can mark rough and oily surfaces. It has excellent water and weather resistance, so it can be used outdoors. It does not drip easily, so it is suitable for vertical and ceiling surfaces. [Precautions] Once you use it, please use it as soon as possible. If the ink gets hardened at the tip, dissolve it with thinner, etc.
Once you use it, please use it as soon as possible. If the ink gets hardened at the tip, dissolve it with thinner, etc