Microsoft Surface Slim Pen - Black (LLK-00001)The Official Microsoft Surface Slim Pen, Black version. Model: (LLK 00001). Features: Tilt the tip to shade your drawings just like you would with a graphite pencil. An eraser on the tail end rubs away your mistakes, just like the eraser on your graphite pencil. Writes like pen on paper, with precision inking tip on one end that enables tilt and an eraser on the other. Sketch, shade, and paint with artistic precision and exceptional control with 4,096