Blade Changer r BladeBoss and BladeBoss Pro are trademarks of BladeBoss Products, LLC.  © 2009 - 2017 U.S. Patent 8209837 tm Made in USA The only lawnmower blade clamp you’ll ever need for any type of  homeowner or commercial mower.  Not Blade Buster or Blade Buddy and not affiliated with those manufacturers.  Blade Buster and Blade Buddy are trademarks of their respective manufacturers.