DEWALT DAFE1A0410 1-Inch by 1/2-Inch by 1/4-Inch High Performance 40 Grit Flap Wheel High Performance aluminum oxide grain for fast material removal Premium abrasives cloth provides long wheel life Ideal for surface finishing and preparation, decorative finishes, and edge blending and chamfering 1-Inch diameter, 1/2-Inch length, with a 1/4-Inch shaft