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 3 Since the angle of the point of a pen was taken, it can write very smoothly Clean, precise line all the time Form-fitting rubber grip for writing comfort Smear-proof bio-polymer ink prevents feathering