Fasst Company's Threaded Anti-Vibration Inserts virtually eliminate all unwanted vibration from your handlebars while still allowing you to mount your favorite handguards. A big complaint when deciding to mount handguards on your bike is it required you to remove bar end weights. This resulted in unwanted vibrations transmitted to your hands resulting in shorter rides due to fatigue. Fasst Company's Threaded Anti-Vibration Inserts solves this dilemma with solid brass inserts that thread into your handlebar for secure fitment and with it's 8mm threaded end you are then able to run your favorite set of handguards. Who said you can't have your cake and eat it too?