Using standard various hook and loop grinding discs,

Mouse shaped hand grinder.

You'll find hundreds of uses for this handy grinding wheel, and you'll be giving those expensive grinding wheels discarded from air tools a second life.

Sand paper wraps around the foam block allowing you to sand by hand 

Medium-Hard Nylon Foam fits user's hand for added comfort. Great for tight spots on flat or curved surfaces           

Accepts sanding discs with hook and loop interface