Mechanical twist-action pencil has a durable case for use in diverse environments. Long-lasting wax stays fresh and never dries out. Rich black color is ideal for marking on a variety of surfaces such as glass, plastics, rubber, wood, metal or photographs. Spring clip secures to pocket to help prevent loss. Number of Colors: 1; Mark Color: Red; Color Family: Red; Colored Material Type: Paraffin Wax.