With three high precision isograph pens, sketch, doodle, and draw with exceptional performance. Wear-resistant, hard chrome-plated thin tip allows detailing. Ink is refillable and the push-on sleeve makes it easy to access the ink helix for quick cleaning. Ink level is visible so you will know when to refill ink. The tikky burgundy mechanical pencil is lightweight for everyday use and refills with the included lead pack. It is also easy to erase with the B20 eraser for a clean erase without smears or marks. Use the centro compass for accuracy and precise designs. Whether you are an artist, professional or student, this master set has what you need to complete any project.