These pen adapters come in different colors and numbers to fit a of , making them easier to identify and have more writing . Super simple, super easy to use pen adapters for your air/air2/air3 and maker/maker 3, each adapter holds the pen in the exact center, ensuring perfect alignment for drawing and cutting operations. Pen/marker for Sakura/Pilot/ for / , now you have more for writing and coloring cut out . Colour: Picture Color Material: Plastic Package Contents: 9 * Pen Adapter Set Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.