- Knot construction provides aggressive, high-impact action for heavy duty applications. Slight tuft at the end of the wire knot provides some flexibility for irregular surfaces.
- Remove rust, scale, weld spatter and oxidation.
- Features a threaded nut for use on right angle grinders

Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy. 
