Very smooth, although it is a micro point-Uni-ball Signo RT1 Rubber Grip & Click Retractable Ultra Micro & Extra Fine Point Gel Pens -0.28mm-black Ink-value Set of 5 : Office Products - Amazon.com
uni-ball Chroma Lot de 12 porte-mines avec corps en cobalt, mine auto-avancée et poignée rembourrée, pointe moyenne de 0,7 mm, HB #2 : Amazon.ca: Fournitures pour le bureau
uni ball 207 Retractable Fraud Prevention Gel Pens Medium Point 0.7 mm Black Barrels Black Ink Pack Of 12 Pens - Office Depot
uni-ball Kuru Toga Mechanical Pencil Set 0.5 1751934 - Walmart.com