FROM THE MANUFACTURER:

The MILWAUKEE® 1-1/2 in. Concrete Vibrator Head is designed to produce high amplitude vibrations to remove air pockets from the concrete and evenly distribute aggregate, resulting in higher quality concrete. This 1-1/2 in. head has a 6 in. radius of action. The Concrete Vibrator Head is made for the MX FUEL™ Backpack Concrete Vibrator.