rOtring Rapidograph Technical Drawing Pen College Pen Station Set, 3 Pens with Line Widths of 0.25mm to 0.5mm, Brown (S0699530) 3 Piece Pen Station Set perfect for College-level students includes 3 rapidograph pens (.25MM, .35MM, .5MM), 1 Tikky (burgundy) 0.5, 12 hi-polymer HB leads, 1 B20 eraser, 3 pen stands, 3 ink cartridges, 1 compass attachment The pen stations keep your technical pens ready to draw instantly- simply place the pen in the pen station with light pressure and the ideal horizontal position and a grip flexible double seal prevent the pen from drying The precision ink pen with the innovative refillable capillary cartridge system For tracing paper, vellum drawing paper and lineboard Features a crafted stainless steel nib