Astro's 3" sanding/polishing kit gives you flexibility in size, as well as function.  It comes with a variable speed random orbital tool, 2000 - 13000rpm, that allows buffing and polishing at the lower end, and DA sanding at the upper end, and all in a 3" size that allows you access to tight areas.  The speed is trigger controled.  It comes with a buffing pad, some very fine sanding disks,  You also get the specially made adapter so that you can use Rolocs on the same tool.  This allows you to have the full range of sanding, from 24 grit, to 2000 and above.THIS ITEM IS THE ASTRO 3050 KIT WITH ADAPTER.