Important Notice: Check that the MESH TIP of your mixoo stylus is the latest version (marked in the photo) before you buy itMixoo disc and fiber tips set is only for Mixoo Disc & fiber 2 in 1 series Stylus not compatible with any other brand stylus; The replaceable tips feature extend the lifetime of Mixoo stylusOnly 7 replacement tips/nibs in the package there is no any stylus pensPack of 7 replacement tips including 5 disc tips 0.27D ia ( 6.8 mm) and 2 fiber tips 0.24D ia (6mm) Replacing the tips is easy to do with hands and requires no tools