Posted by gmharris [71.105.36.203] on Monday, March 31, 2014 at 23:08:56 :
In Reply to: Re: Block sanding corners posted by Glen of Idaho [72.173.64.59] on Monday, March 31, 2014 at 21:02:46 :
You can also get some very soft backing pads from a body shop supply place. You should be able to do the sanding you need without wearing through the primer.
http://www.ebay.com/itm/Holey-Terror-Flexible-Sanding-Block-2-pk-USA-8038-12-/270579066805?pt=Motors_Automotive_Tools&hash=item3effc4e7b5&vxp=mtr