3M Wet Or Dry 9"x11" Sandpaper 32021-22-23-35-36-37-38-40-43-44, 32215-18

Dry sanding saves you from having to dry the surface to check the progress of your work. Wet sanding works more quickly, holds down the dust and reduces clogging of the sandpaper. Wetordry Sandpaper can be used by hand or for machine sanding.