Features1.Perfect Match: No depth calibration is required since each adapter holds the pen in centre, ensuring perfect alignment for drawing and cutting. 2.Varied Colour: Comes with 6 kinds of coloured pen adapter and each colour has 2pcs, while the pretty colours largely simplify the recognition. 3.12Pcs in Pack: There are 12pcs pen adapter holder in the set, and the large quantity enables easy replacement and wide application as well. 4.Good Material: Adopting high quality ABS material for better stability in working, not easy to deform and very durable for long term using. 5.Easy to Install: Designed to have a compact size and a light weight, the convenient installation can be quickly completed in several minutes.SpecificationItem Type: Pen Adapter1. There is no lettering on the surfaces of the product, and the corresponding type is distinguished by colour2. This product is compatible with for Sharpie for Cricut, for Explore Air, for Explore Air 2, for Explore Air 3, for Maker and for Maker 3.3. For SFP (Grey and Green): For use with for Sharpie Fine Point.4. SUFP (Pink and White): For use with for Sharpie Ultra Fine Point.5. SAP: (Blue or Black): For use with for Sharpie Art Pen (Includes for Pen and Art). Package List12 x Pen Adapter