Stabillo OHPen Universal Pen Sets, 8 Color Set - .7mm Permanent

These pens are the optimal choice when it comes to overhead projection, however they also write on almost all smooth surfaces making them very versatile. They feature either permanent ink (black shaft indicates permanent ink) and the tip size is superfine fine (.7mm).The body has a non-slip grip zone and the ventilated cap has a practical clip.  The 8-color sets include red, blue, orange, green, black, pink, purple and brown.