Unique dial allows you to change from 1 graduation to another Rotation changes to 1/16in, 1/8in. or 1/4in. So you don't have to move the scale from the work surface. Manufactured of high-quality satin-finish aluminum.
Great for writing on china, glass, metal or plastic No sharpening required - just peel the tear-string to reveal more marker. Clean up is simple! Marks are easily erased with a damp cloth. Fade- and water-resistant! Certified AP nontoxic.