> I am looking into buying an electric sander. What is the difference
> between an orbital sander (square base with clips to hold sandpaper) and a
> random orbital sander (circular base with adhesive holding the sandpaper).
> Which is more appropriate for sanding my kit kayak? Thanks

Make sure you actually look at and handle the sander before you buy. I have small hands, and the Porter Cable sanders that so many people go on and on about as being the greatest is difficult and uncomfortable for me to use.