You are looking at a shift knob for a Polaris RZR, Sportsman, and also fits Ranger...all years 2008-present. It has been cnc machined from solid 6061 aluminum bar which has been hard coat stage three anodized. It is made within the dimensions of the factory plastic knob to insure a perfect fit, Guaranteed.
It is very easy to install and comes with detailed instructions that should answer any questions you might have.
All the power that these machines have, you need something a little more than a plastic knob to take hold of. It really helps to set it apart from the others. Thanks for looking!