From Sharpie Pens to Pilot Hi-Tec-C Coleto Before switching to the Pilot Hi-Tec-C Coleto multi-pen, I was a serious obsessed Sharpie pen enthusiast. I loved the tip of the Sharpie pen and the selection of colors available. But I soon realized it was quite inconvenient carrying around ten individual pens so I could color code on […] Read more…