Replace your stock pens with the most popular pens/markers for more versatility than ever! This set of adapters is compatible with Sharpie Fine Point Markers, Ultra Fine Point Markers, and Art Pens for use in Cricut Explore Air Series and Cricut Maker Series machines. Easily switch between pens/markers with adapters that fit perfectly and simply lock into the clamping mechanism. Forget relying on a color-coding chart! DESMOR adapters have pen/marker abbreviations inscribed on every adapter to make identification quick and easy. Though use is effortless, instructions are provided for reassurance. <br><br><b> Adapter abbreviations are listed below! <br> - SFP: </b>Use with Sharpie Fine Point (including: classic, metallic, extreme, neon, color burst) <br><b> - SUFP: </b>Use with Sharpie Ultra Fine Point (including: classic, electro pop, color burst) <br><b> - SAP: </b>Use with Sharpie Art Pen (including: stylo and art) <br><br>Depth calibration is not needed and the adapter perfectly aligns each pen/marker for precise height and point center. All DESMOR adapters extend through the entire clamp maximizing contact with both the clamping mechanism and the pen/marker to prevent misalignment unlike other adapters. We do not cut costs by minimizing materials at the expense of performance.<br><br>Rest assured; we stand behind all our high-quality products. Every adapter is designed, tested, manufactured, and inspected to maintain superior quality. If at any time you have questions or concerns about our products, do not hesitate to reach out to us.<br><br>Some of our adapters may work with other pens/markers/tools not listed; however, we do not guarantee use with those other than explicitly listed.<br><br><b> **PENS AND MARKERS NOT INCLUDED** <br> **THESE WILL NOT WORK WITH CRICUT EXPLORE ONE OR WITH CRICUT JOY MACHINES**</b>