Wondering what discs fit your Ryobi grinder? Here's how to determine what size disc your angle grinder needs, and how (and when) to replace it.

This recall involves DEWALT Elite Grinder Series 4.5-inch 40G T27 High Density Flap Discs, models DWA8280HRT and DWA8280RT, that are compatible with angle grinders for heavy duty use. Only units ...