For those who enjoy detailed artwork, these 4.5mm pen points offer precision and control. Ideal for acrylic pens and other paint markers, they provide a smooth writing experience. Whether you're sketching, outlining, or adding fine details, these nibs are designed to enhance your artistic expression. Features -Color:White -Material:Polyester fiber -Size:2.30X0.45X0.45cm/0.90X0.18X0.18in -Robust polyester fiber: these pen nibs are crafted from robust polyester fiber, making them durable and less prone to damage -Replaceable nib design: the empty pen barrel design allows for quick and easy replacement of nibs, keeping your markers in top condition -Large quantity: with ample pieces in the pack, you'll have an ample supply of replacement nibs to last a long time -Effortless installation: simply insert the nib into the pen barrel for a straightforward and efficient replacement process -Consistent ink flow: these replacement tips ensure a steady ink flow, preventing any interruptions during your writing or drawing sessions Package list: 20 tip accessories