The TomCat line of Multi brushless motors are for the the hobbits to the professional. The TomCat motors have all the the necessary mounting hardware, tools, and x-plate mount. All Tomcat motors come with compression collets in addition to the bolt on prop collet. The super high quality motors are made made from CNC blocks unlike cheaper motors that are made from mold. To top off the high quality, TomCat motors are made with Japanese bearings, which are some of the highest made bearing in the world.