Black Metallic Mechanical Pencil for 5,6 mm Koh-i-Noor LeadMechanical mechanical pencil, combination of metal and plastic, lead diameter 5,6 mm, used for common writing and drawing.The lead is advanced by pressing the tilt button on the pencil, which opens the clamp and slides the lead out.To sharpen the leads, a specific lead sharpening sandpaper is recommended.The body of the pencil is made of black triangular plastic, without a clip, with metal mechanical parts.