The Allway Tools Soft Grip Wires Brushes are the most durable wire brushes on the market.  Not only that, they're affordable!  The SB619 has a structural foam block handle, is solvent proof with 6 x 19 rows.  These brushes are perfect for cleaning and refinishing wrought iron, concrete, removing paint, rust, and corrosion.  
Heavy duty brush with ergonomic handle for prolonged use
Solvent proof
Threaded to accept pole
Lightweight
6 x 19 rows
7" Long