Introducing a new premium Wacom stylus that features 4,096 degrees of pressure sensitivity. The outer layer is made of a highly durable plastic and the nibs are made of plastic. The core of the stylus is made of aluminum, if you twist top of the pen off, there are replacement nibs stored inside the canister. There is a aluminum clip on the pen, perfect to attach to a case or in a pocket protector. This pen was originally designed for the iReader e-note product line, but it is compatible with most digital note taking devices, such as the Remarkable 1, Remarkable 2, Xiaomi W7 Moann, Onyx Boox Note 3, Onyx Boox Nova 3, Onyx Boox Note Air, Onyx Boox Lumi, Boyue Likebook Alita, Boyue Likebook Ares, Supernote A5, SuperNote A6 and SuperNote A6X. This pen should also work with the previous generations of the Onyx product line. It will basically work with any e-note that has a WACOM screen. It will NOT work on the Sony Digital Paper, Fujitsu Quaderno or Quirklogic Papyr.