Prep Pads.  These flexible, non-woven pads are a great substitute for steel wool.  They won't rust, shred, or splinter.  They're washable, reusable and can be cut and folded.
 
Use to remove chalk, oxidation & stains from painted metal, clean anodized aluminum and more.  Clean Storage Doors, Metal Buildings, Stainless Steel, Anodized Aluminum, Windowframes, Shutters, etc. 
 
Extra Fine — Use for light cleaning of steel and non-steel surfaces, denibbing plastic, defuzzing wood, finishing, and final rubbing.
 
Also available in 10 packs and 30-foot rolls so you can cut the size you want.