EZ Lock Compatible-works with 402 and EZ402 mandrels</br>Gets into tight spaces-unique design allows sanding of contout shapes without damaging your ork piece.</br>Compound Built-In-Abrasive impregnated within rubber wheel for grit to last life of accessory. No need for compund !</br>Wide Offering-Coarse 36 grit?? Medium 120 grit?? Fine 220 grit</br>Color coded wheels for easy identification</br></br>Product Description</br></br>EZ Lock Abrasive Brushes</br><br/>http://www.amazon.com/gp/product/B002E9GUDG