Gator 5-Pack 3.5" x 5" 220 Grit Aluminum Oxide Detail Sanding Sheets are specifically designed for sanding in corners and tight spaces. They feature a quick change hook and loop holding system that allows for faster sheet changes. The sheets are resin bonded to resist heat and humidity for longer life. They are for use with the Gator Hand Detail Sander #7330 and Black & Decker Mouse Detail Sander.