Package Includes: 24 Pcs Standard Replacement Nibs for Wacom Intuos Pro, Wacom IMobileStudio Pro, Wacom Cintiq Pro, Wacom Citiq16(Equipped with a removal tool). Product compatibility: These Second Generation Pen Tips are designed for many digital models, and compatible with for wacom pens, like PTH-460, PTH-660, PTH-860, DTH-1320, DTH-1620, DTH-2421, DTH-3221, DTK-2421, DTK-1661, DTK-2260, DTH-W1320, DTH-W1321, DTH-W1620, DTH-W1621; Please take a careful check your pen model before buying. Practical: This kind of standard fine tip is sensitive and flexible for you to use, providing you with a comfortable writing and painting experience, without worrying about worn problem, which will ensure you work smoothly. Easy to install: Standard pen nibs are easy to install and only take 2 steps, you just need to use removal ring to get a replacement nib, and then insert into the hole, easy to operate, nice performance, will serve you for a long time. The rich quantity can meet your daily needs, and its simple use is convenient for you to replace. Material: plastic colour: Black Package Contents: 24 x Standard Replacement Nibs 2 x removal too