TURN DIAL CRAYON - Advances and retracts paint-based crayon by the twist-up knob. SPECIAL CAP - Cap can be fastened to the back of the marker and used to help turn the dial. Cap also has a pocket clip.
Surfaces:
Marks on a variety of smooth or rough surfaces, including: • Metal • Wood • Particle board/MDF • Concrete • Stone • Plastic/PVC • Rubber • Glass • Canvas • Terracotta Also marks on oily, wet, dirty or rusty surfaces.