Very smooth, although it is a micro point-Uni-ball Signo RT1 Rubber Grip & Click Retractable & Extra Fine Point Gel Pens -0.5mm-black Ink-value Set of 5 (With Our Shop Original Product Description) Since the angle of the point of a pen was taken, it can write very smoothly Smear-proof bio-polymer ink prevents feathering Clean, precise line all the time Form-fitting rubber grip for writing comfort