• Firepower wire cup brushes
  are designed for use on portable power tools. Made with high quality
  tempered wire, Firepower brushes provide fast cutting action for
  removal of light encrustation of scale, rust, paint or weld splatter.
  The relative high flexibility of fire power wire cup brushes allows
  cleaning on irregular surfaces as well as flat surfaces.
• Cup Brushes with
  1/4 Stem: Small diameter cup brushes are designed for use in
  restricted or hard to reach areas. They are excellent for carbon
  cleaning, polishing, removal of scale, slag, rust and paint.
• Cup Brushes Crimped Wire:
  Heavy-duty cup brushes with arbor adapters and threads to fit most
  grinders.
• Cup Brushes Stainless Steel
  Knotted Wire: Heavy-duty cup brushes with arbor adapters and threads
  for most grinders. Stainless steel wire brushes are used to reduce
  discoloration and corrosion on stainless and aluminum alloys. Stainless
  steel wire brushes are highly corrosion resistant and should be used
  where contamination or after rust is a problem.
• Knot Type: Carbon Steel Wire
• Cup Diameter: 6″
• Wire Size: .020
• Max RPM: 6,500

Victor-Firepower 1423-2116 Knot-Type Wire Cup Brush 6″ Diameter 5/8″-11 NC Threaded Arbor VQ1423-2116