CNC Machined by Accurate CNC Machining and fully tested on a Suzuki GSXR. A cheaper way to get rid of the handlebar vibration and no more numb hands after a long ride. This style of bar end weights are made to go inside the handle bars so they are not seen on the outside so they can be used with any style of bar end. They have been machined on a CNC and then black oxided to prevent rust. They come with new mounting hardware and full instructions. They have been tested and have recieved nothing but great reviews. The best part is they are cheap and have free shipping to anywhere in the continental US. $20.00with free shipping