With its extra-fine calibrated metal tip, the PC-1MR has all the qualities of an ink marker in pen form! Designed for amateurs and professionals seeking a dense, ultra-fine line. Designed for amateurs and professionals seeking a dense, ultra-fine line. 40832 - Precise. 40833 - Its calibrated tip produces a clear, regular, and refined line. 40834 - Consistent. 40835 - The line doesn't vary, and the effect is always perfect. 40836 - Original. 40837 - The marker combines perfect lines with the qualities of POSCA ink. 40838 - Convenient. 40839 - The cap fits onto the end of the marker when in use, like a pen. 4083a - Multipurpose on any surface (glass, metal, wood, plastic, paper, etc.)