If your paddle board or kayak has a Slide & Lock (sometimes called a Standard Fin Plate), this Adapter will allow you to attach the Bixpy Motorto your Paddle Board or Kayak within minutes. With the Slide & Lock Fin (K-1 and J-2 Motors), make sure that you are getting the right Bixpy fin for your fin box! * Motors shown in the photos above are not included in the adapter kit FEATURES & SPECIFICATIONS Protection: Water-proof, dirt-proof and corrosion resistant components Water use: All materials made for salt water or fresh water use Pug & Play: adapter easily replaces your current slide & lock fin INCLUDES Slide & Lock Fin Adapter INSTALLATION GUIDES * Motors in pictures not included