Post #737476 by cy on Mon, Feb 16, 2015 8:15 AM

BT that part confused me too, but it does not spin as the grinder does. It goes back and forth randomly, sometimes it is not turning at all. I thought something was wrong with it at first, but as I researched and used it a bit more I finally got the definition of "random sander".

[ Edited by: cy 2015-02-16 08:17 ]