Faber Castell Perfect Pencil with Eraser Built in Sharpener (Extender and Protector) Black Faber-Castell Perfect Pencil Junior Pencil extender with built-in sharpener. Protects the tip, extends the pencil and provides a pocket clip. Eraser-tipped 'B' pencil, ideal for writing. SV-bonded lead reduces breakage. Write & draw, erase, sharpen, carry and protect - all in one simple and convenient package.