Dremel EZ472SA 120-Grit Detail Medium Abrasive Brush EZ Lock Compatible-works with 402 and EZ402 mandrels Gets into tight spaces-unique design allows sanding of contout shapes without damaging your ork piece. Compound Built-In-Abrasive impregnated within rubber wheel for grit to last life of accessory. No need for compund ! Wide Offering-Coarse 36 grit, Medium 120 grit, Fine 220 grit Color coded wheels for easy identification