Pilot Color Eno Mechanical Pencils, 0.7 mm The Pilot Color Eno Mechanical Pencils (0.7 mm) can be erased without trace. It has high strength and vivid coloured leads, great for artists, crafters, pattern tracing ....!!!! Match the color of your pencil body with the color of your pencil lead! A range of 8 colours, acid free and refillable leads are available. The plastic barrel of the Mechanical Pencil has a comfortable cushion grip contour, with a sliding sleeve to help prevent breakage.