A wire wheel is a power tool attachment used for cleaning, prepping, and finishing metal surfaces. It's primarily used to strip away rust, remove old paint and coatings, and clean up weld areas before or after welding.
Applications
Clearing rust flakes, oxidation, and mill scale from steel and iron
Stripping old paint, primer, and sealants down to bare metal
Removing weld slag, spatter, and discoloration from joints
Smoothing sharp edges and burrs left from cutting or machining
Roughening and prepping surfaces for better adhesion of new paint, powder coat, or welds